研究者総覧

鍔本 武久 (ツバモト タケヒサ)

  • 大学院理工学研究科 数理物質科学専攻 教授
Last Updated :2020/11/10

研究者情報

学位

  • 博士(理学)(京都大学)

ホームページURL

科研費研究者番号

  • 20522139

J-Global ID

研究キーワード

  • 霊長類   地質古生物学   古脊椎動物学   哺乳類化石   古生物地理   形態   体重推定   

研究分野

  • 自然科学一般 / 地球生命科学
  • ライフサイエンス / 自然人類学
  • ライフサイエンス / 多様性生物学、分類学

経歴

  • 2017年04月 - 現在  愛媛大学 大学院理工学研究科Graduate School of Science and Engineering教授
  • 2014年04月 - 2017年03月  愛媛大学大学院理工学研究科准教授
  • 2013年04月 - 2014年03月  岡山理科大学生物地球学部研究員
  • 2006年03月 - 2014年03月  林原自然科学博物館研究員
  • 2008年07月 - 2013年03月  林原類人猿研究センター研究員
  • 2001年04月 - 2006年02月  京都大学霊長類研究所ポスドク

学歴

  • 1996年04月 - 2001年03月   京都大学   大学院理学研究科   地球惑星科学専攻 地質学鉱物学分野
  • 1992年04月 - 1996年03月   京都大学   理学部
  • 1989年04月 - 1992年03月   愛知県立岡崎高校

研究活動情報

論文

  • Intrasubspecific variations of the adult astragalar and calcaneal sizes in living Japanese raccoon dog (Nyctereutes procyonoides viverrinus)
    Tsubamoto, T.
    Memoirs of the Faculty of Science, Ehime University 23 1 - 11 2020年05月 [査読有り]
     研究論文(大学,研究機関等紀要)
  • Tsubamoto, T, Kunimatsu, Y, Sakai, T, Saneyoshi, M, Shimizu, D, Morimoto, N, Nakaya, H, Handa, N, Tanabe, Y, Manthi, F. K, Nakatsukasa, M
    Paleontological Research 24 1 41 - 63 2020年01月 [査読有り]
     研究論文(学術雑誌)
  • Iijima, M, Tsubamoto, T, Tsogtbaatar, Kh, Chinzorig, Ts, Baasankhuu, S
    Acta Palaeontologica Polonica 64 4 775 - 778 2019年12月 [査読有り]
     研究論文(学術雑誌)
  • Nishioka, Y, Takai, M, Tsubamoto, T, Egi, N, Nishimura, T, Kono, R, Ogino, S, Thaung-Htike, Zin-Maung-Maung-Thein, Vidthayanon, C
    Palaeontographica Abteilung A: Paläozoologie-Stratigraphie 314 1–3 11 - 68 2019年08月 [査読有り]
     研究論文(学術雑誌)
  • Tsubamoto, T.
    Memoirs of the Faculty of Science, Ehime University 22 1 - 17 2019年05月 [査読有り]
     研究論文(大学,研究機関等紀要)
  • Takehisa Tsubamoto
    Anthropological Science 127 1 73 - 80 2019年04月 [査読有り]
     研究論文(学術雑誌)
  • 西岡佑一郎, 鍔本武久, タウンタイ・ジンマウンマウンティン, 高井正成
    化石 104 5 - 20 2018年09月 [査読有り]
     研究論文(学術雑誌)
  • 村上達郎, 鍔本武久
    化石研究会会誌 51 1 15 - 22 2018年06月 [査読有り]
     研究論文(学術雑誌)
  • Takehisa Tsubamoto, Yutaka Kunimatsu, Tetsuya Sakai, Mototaka Saneyoshi, Daisuke Shimizu, Naoki Morimoto, Hideo Nakaya, Masato Nakatsukasa
    Paleontological Research 21 4 347 - 357 2017年10月 [査読有り]
     研究論文(学術雑誌) 
    Two rare artiodactyl mammals from the basal upper Miocene Nakali Formation (ca. 10 Ma) of central Kenya are described. They are cf. Listriodon sp. (Suidae, Listriodontinae) and Dorcatherium cf. pigotti (Ruminantia, Tragulidae), which are the first discoveries of a listriodontine and a tragulid in the formation. Cf. Listriodon sp. is represented by a talonid of a lower molar that has a strongly lophodont hypolophid. Although this listriodontine material is fragmentary, it is comparable in morphology and size to large and fully lophodont species of the genus Listriodon, such as L. splendens and L. pentapotamiae theobaldi. If the Nakali specimen proves to be phyletically closely related to these two species, it indicates that a highly derived lineage of Listriodon existed in East Africa around 10 Ma, implying a possible migration of this lineage from Europe/Asia to East Africa during the middle or earliest late Miocene. Dorcatherium cf. pigotti is represented by DP4 (or M1) and a mandible with p3-m3, which are comparable in size to those of D. pigotti among the African species of the genus. Although the genus Dorcatherium and species D. pigotti are common taxa in the early to middle Miocene of Africa, they are rarely found in the late Miocene. This is the second record of the genus in the late Miocene of Africa, reinforcing evidence that Dorcatherium existed until the basal late Miocene in East Africa.
  • Tsubamoto, T, Kunimatsu, Y, Sakai, T, Saneyoshi, M, Shimizu, D, Morimoto, N, Nakaya, H, Nakatsukasa, M
    Paleontological Research 21 4 347 - 357 2017年10月 [査読有り]
     研究論文(学術雑誌)
  • Stidham, T. A, Tsubamoto, T, Zin-Maung-Maung-Thein, Thaung-Htike, Egi, N, Nishioka, Y, Maung-Maung, Takai, M
    Palaeontologia Electronica 19.3.36A 3 1 - 12 2016年11月 [査読有り]
     研究論文(学術雑誌)
  • Kenshu Shimada, Naoko Egi, Takehisa Tsubamoto, Maung-Maung, Thaung-Htike, Zin-Maung-Maung-Thein, Yuichiro Nishioka, Teppei Sonoda, Masanaru Takai
    Zootaxa 4161 2 237 - 251 2016年09月 [査読有り]
     研究論文(学術雑誌) 
    We redescribe an extinct river shark, Glyphis pagoda (Noetling), on the basis of 20 teeth newly collected from three dif-ferent Miocene localities in Myanmar. One locality is a nearshore marine deposit (Obogon Formation) whereas the other two localities represent terrestrial freshwater deposits (Irrawaddy sediments), suggesting that G. pagoda from the Irrawad-dy sediments was capable of tolerating low salinity like the extant Glyphis. Glyphis pagoda likely reached up to at least 185 cm in total body length and was probably piscivorous. The fossil species occurs in rocks of Myanmar and eastern and western India and stratigraphically ranges at least from the Lower Miocene (Aquitanian) to the lower Upper Miocene (mid-Tortonian). It has been classified under at least eight other genera to date, along with numerous taxonomic synonyms largely stemming from the lack of understanding of the heterodonty in extant Glyphis in the original description. Our lit-erature review suggests that known Miocene shark faunas, particularly those in India, are manifested with unreliable tax-onomic identifications and outdated classifications that warrant the need for a comprehensive taxonomic review in order to evaluate the evolutionary history and diversity pattern of Miocene shark faunas. The genus Glyphis has a roughly 23- million-year-long history, and its success may be related to the evolution of its low salinity tolerance. While extant Glyphis spp. are considered to be particularly vulnerable to habitat degradation and overfishing, the fossil record of G. pa-goda provides renewed perspective on the natural history of the genus that can be taken into further consideration for con-servation biology of the extant forms.
  • Naoko Egi, Takehisa Tsubamoto, Mototaka Saneyoshi, Khishigjav Tsogtbaatar, Mahito Watabe, Buuvei Mainbayar, Tsogtbaatar Chinzorig, Purevdorg Khatanbaatar
    HISTORICAL BIOLOGY 28 1-2 105 - 119 2016年02月 [査読有り]
     研究論文(学術雑誌) 
    This study reports occurrences of feliform carnivorans from the Upper Eocene Ergilin Dzo Formation and Alag Tsav locality of southeastern Mongolia. Nimravus mongoliensis (Nimravidae) is distinguished from other species in having a deep mandible, a longer p/1-2 and m/2 relative to p/4, and relatively wider P3/. Eofelis sp. (Nimravidae), a genus previously known only from the Oligocene of France is found in the Ergilin Dzo Formation. Alagtsavbaatar indigenus comb. nov. (Alagtsavbaatar gen. nov.; Feliformia) is established for new specimens from the Ergilin Dzo Formation and the previously known Stenoplesictis specimen from the Alag Tsav locality based on its characteristics such as moderately developed buccal cingulid and cingular and accessory cuspids on p/3-4, wide m/1 trigonid and double-rooted m/2 with a trenchant talonid. Stenoplesictis simplex from the Ergilin Dzo Formation is revised to Asiavorator gracilis, extending its chronological range back to the Late Eocene. Geographical and chronological distributions and morphological comparisons suggest that the Nimravidae originated by the Middle Eocene in southern East Asia and migrated northward in the Late Eocene, whereas the early small feliforms immigrated to northern East Asia in the Late Eocene and stayed within the middle-to-high-latitude area.
  • Masanaru Takai, Yuichiro Nishioka, Thaung-Htike, Maung Maung, Kyaw Khaing, Zin-Maung-Maung-Thein, Takehisa Tsubamoto, Naoko Egi
    HISTORICAL BIOLOGY 28 1-2 172 - 188 2016年02月 [査読有り]
     研究論文(学術雑誌) 
    We here describe a new fossil species of Asian colobine monkey, Semnopithecus gwebinensissp. nov. from the Late Pliocene Irrawaddy sediments of the Gwebin area in central Myanmar. Extant Semnopithecus (Hanuman langur) is a relatively large, terrestrial colobine monkey known as one of the most adaptable non-human primates. It is widely distributed, mainly in the Indian subcontinent, from Pakistan in the west to Bangladesh in the east. However, in Myanmar Semnopithecus is not distributed but Trachypihtecus is, which is the closest relative to Semnopithecus. It is presumed that extant Trachypithecus pileatus, which is considered to be a hybrid of Semnopithecus and Trachypithecus from molecular biological studies, appeared in the Early Pleistocene as the result of hybridisation between the two genera. On the other hand, no fossil specimens of other cercopithecid monkeys, such as Macaca, Trachypithecus or Rhinopithecus, all of which are commonly discovered from the Pleistocene cave sediments of South China, have been found from the Pliocene sediments in central Myanmar to date. The dissimilarity in the primate fauna between central Myanmar and South China suggests little faunal interchange between the two regions probably because of geographical barriers such as large rivers and high mountain ranges in the area.
  • Takehisa Tsubamoto, Naoko Egi, Masanaru Takai, Thaung-Htike, Zin-Maung-Maung-Thein
    HISTORICAL BIOLOGY 28 1-2 27 - 34 2016年02月 [査読有り]
     研究論文(学術雑誌) 
    The relationship between talar size and body mass in extant primates is examined to provide the regression equations for estimating the body mass of extinct primate species based on the talar size. The results indicate that, among the linear talar dimensions, the whole talar size and the tibial trochlear size are good body mass estimators for primates. As an example, the regression equations presented here were applied to the body mass estimates of the fossil tali (NMMP-39 and NMMP-82) of the amphipithecid primates from the middle Eocene Pondaung Formation of Myanmar. Based on the estimated body masses determined by this study, NMMP-39 (estimated body mass: ca. 2.7kg) should likely be assigned to Ganlea megacanina or Myanmarpithecus yarshensis, while NMMP-82 (estimated body mass: ca. 4.9kg) should likely be assigned to Amphipithecus' mogaungensis or Pondaungia cotteri.
  • Thomas A. Stidham, Takehisa Tsubamoto, Zin-Maung-Maung-Thein, Thaung-Htike, Naoko Egi, Yuichiro Nishioka, Maung-Maung, Masanaru Takai
    PALAEONTOLOGIA ELECTRONICA 19 3 2016年 [査読有り]
     研究論文(学術雑誌) 
    Two new avian specimens from the Pliocene part of the Irrawaddy sediments of central Myanmar represent the youngest known fossil records of birds from Myanmar (Burma) that previously was restricted to one specimen of an ibis from the middle Eocene. The age of the Sulegon-1 fossil locality is likely from the later part of the Pliocene based on the presence of the suid Sivachoerus prior, the anthracotheriid Merycopotamus dissimilis, and the Sumatran rhinoceros Dicerorhinus sp. cf. D. sumatrensis. The distal tarsometatarsus is from a night heron (Ardeidae: Nycticoracini) and exhibits derived (and primitive) features consistent with night herons, but not other groups of ardeids, including the absence of a lateral deflection of trochlea III and a trochlear furrow extending to the proximal plantar end of trochlea III. The night heron fossil is not distinguishable from some species of Gorsachius and Nycticorax and may derive from one of the extant species in Southeast Asia. The other specimen (a distal tibiotarsus) represents a taxon of stork (Ciconiidae: cf. Leptoptilini) and displays many characters associated with that group (incuding a large centrally positioned intercondylar tubercle, a rounded intercondylar fossa, and distally notched trochlear rims). This stork is smaller than the 'giant' storks known from the Plio-Pleistocene of Asia and Africa, and may represent a relative of one of the large extant Asian storks. The inferred paleohabitat of the Sulegon locality as a tidal deltaic habitat is consistent with the lifestyle of both the extant night herons and large storks that occur in southeastern Asia today.
  • Takehisa Tsubamoto, Yutaka Kunimatsu, Masato Nakatsukasa
    PALEONTOLOGICAL RESEARCH 19 4 321 - 327 2015年10月 [査読有り]
     研究論文(学術雑誌) 
    A trigonid of a lower molar of a primitive, large hippopotamus from the upper lower Miocene of Mfwangano Island in southwestern Kenya is described. The molar trigonid is similar in size to that of living hippopotamuses, and is comparable in morphology to that of kenyapotamine hippopotamids (Mammalia, Cetartiodactyla) in having a brachyodont crown, bunodont cusps, an M-like structure on the distal trigonid wall, a single-ridged premetacristid, and a buccolingually bifurcate mesial root, and in lacking a paraconid. On the basis of its size and morphology, the specimen appears to be assignable to Kulutherium, which is a putative kenyapotamine previously known from the upper lower Miocene of Kenya and is so far represented only by the upper dentition. The present specimen provides additional evidence that a hippopotamus-sized, large hippopotamid was already living during the early Miocene. If it proves to be Kulutherium, it provides additional evidence that Kulutherium should be assigned to the Kenyapotaminae.
  • Takehisa Tsubamoto, Yoshiki Koda, Yoshikazu Hasegawa, Satoshi Nabana, Yukimitsu Tomida
    JOURNAL OF ASIAN EARTH SCIENCES 108 18 - 32 2015年08月 [査読有り]
     研究論文(学術雑誌) 
    The mammalian fauna and geologic age of the lwaki Formation of the Paleogene Shiramizu Group (lwaki, southern Fukushima, northeastern Japan) are reviewed and previously undescribed specimens are described. The Maki mammalian fauna consists of three artiodactyl species: Bothriogenys sp. cf. B. hui (Anthracotheriidae), Entelodon gobiensis (Entelodontidae), and cf. Notomeryx sp. (Ruminantia). These three genera indicate an Ergilian Asian Land Mamma Age (=late Eocene [Priabonian] equivalent) correlation for the Iwaki Formation, demonstrating that the Eocene-Oligocene boundary exists within the Shiramizu Group. These three genera have never co-occurred in a single formation, although in Asia they have been recorded only in the late Eocene. In Asia, Bothriogenys has been recorded in the southern and middle regions, Entelodon has been mostly recorded in the northern and middle regions with one exception from the southern region, and Notomeryx has been recorded in the southern region. The co-occurrence of these three genera in the lwaki Formation implies that Bothriogenys, Entelodon, and perhaps also Notommyx can be useful late Eocene indicators in terrestrial eastern Asia. It also suggests that the lwaki mammalian fauna is paleobiogeographically located between the northern and southern late Eocene faunas of eastern Asia, showing some faunal mixture. The lwaki fauna is also unique in comprising diverse faunas of marine sharks and seashore birds together with terrestrial mammals. The lwaki vertebrate fauna is key for reconstructing the faunas of the eastern coastal margin of the Asian Continent during the late Eocene. (C) 2015 Elsevier Ltd. All rights reserved.
  • Naoto Handa, Masato Nakatsukasa, Yutaka Kunimatsu, Takehisa Tsubamoto, Hideo Nakaya
    PALEONTOLOGICAL RESEARCH 19 3 181 - 194 2015年07月 [査読有り]
     研究論文(学術雑誌) 
    Rhinocerotid fossils from the lower upper Miocene Namurungule and Nakali Formations, northern Kenya, are described. These materials reveal the following diagnostic characters of Chilotheridium pattersoni: a strongly constricted protocone with a flattened lingual wall, a hypocone groove, a developed crochet, and an antecrochet curved toward the entrance of the medisinus. Specimens previously described from the Namurungule Formation as rhinocerotids are re-identified as C. pattersoni. The Nakali Formation specimens presented in this study are the first discovery of C. pattersoni from this locality. In addition, deciduous teeth of C. pattersoni, which were unknown previously, are reported for the first time. This discovery of C. pattersoni extends its temporal range to the early late Miocene.
  • Masanaru Takai, Thaung-Htike, Zin-Maung-Maung-Thein, Aung Naing Soe, Maung Maung, Takehisa Tsubamoto, Naoko Egi, Takeshi D. Nishimura, Yuichiro Nishioka
    JOURNAL OF HUMAN EVOLUTION 84 1 - 15 2015年07月 [査読有り]
     研究論文(学術雑誌) 
    Here we report two kinds of colobine fossils discovered from the latest Miocene/Early Pliocene Irrawaddy sediments of the Chaingzauk area, central Myanmar. A left mandibular corpus fragment preserving M1-3 is named as a new genus and species, Myanmarcolobus yawensis. Isolated upper (M-1?) and lower (M-2) molars are tentatively identified as Colobinae gen. et sp. indet. Although both forms are medium-sized colobines, they are quite different from each other in M-2 morphology. The isolated teeth of the latter show typical colobine-type features, so it is difficult to identify their taxonomic position, whereas lower molars of Myanmarcolobus have unique features, such as a trapezoid-shaped long median lingual notch, a deeply concave median buccal cleft, a strongly developed mesiobuccal notch, and rather obliquely running transverse lophids. Compared with fossil and living Eurasian colobine genera, Myanmarcolobus is most similar in lower molar morphology to the Pliocene Dolichopithecus of Europe rather than to any Asian forms. In Dolichopithecus, however, the tooth size is much larger and the median lingual notch is mesiodistally much shorter than that of Myanmarcolobus. The discovery of Myanmarcolobus in central Myanmar is the oldest fossil record in Southeast Asia not only of colobine but also of cercopithecid monkeys and raises many questions regarding the evolutionary history of Asian colobine monkeys. (C) 2015 Elsevier Ltd. All rights reserved.
  • Tsubamoto, T
    Journal of the Geological Society of Japan 121 6 185 - 189 2015年06月 [査読有り]
     研究論文(学術雑誌)
  • Yuichiro Nishioka, Masanaru Takai, Takeshi Nishimura, Thaung-Htike, Zin-Maung-Maung-Thein, Naoko Egi, Takehisa Tsubamoto, Maung-Maung
    JOURNAL OF SYSTEMATIC PALAEONTOLOGY 13 4 287 - 314 2015年04月 [査読有り]
     研究論文(学術雑誌) 
    The Upper Pliocene Irrawaddy sediments in the Gwebin area of central Myanmar recently yielded a rodent assemblage that contains nine species belonging to four families: four species of Muridae, three of Hystricidae, one of Spalacidae, and one of Sciuridae. The murids consist of Hapalomys cf. longicaudatus, Maxomys pliosurifer sp. nov., Rattus jaegeri and cf. Rattus sp. indet., which include both extinct and extant forms. Maxomys pliosurifer is relatively similar to Maxomys surifer that lives in South-East Asia in terms of tooth morphology but retains plesiomorphic features shared with the ancestral rat, Karnimata, and possible sister genera of Maxomys, such as Ratchaburimys and Millardia. The three hystricids belong to the genus Hystrix and consist of two extinct brachydont species (Hystrix paukensis and Hystrix sp. indet.) and one hypsodont species similar to living form (Hystrix cf. brachyura). This finding indicates that primitive brachydont species and derived hypsodont species of Hystrix had likely coexisted in the locality, but the brachydont species are significantly more common amongst specimens collected from the Gwebin area. The spalacid species is Cannomys cf. badius and the sciurid species is Menetes sp. indet. These two rodents are similar to living species in continental South-East Asia although they show minor differences in tooth characteristics compared to the living forms. Some species and genera of the fossil rodent assemblage from the Gwebin area also occur in Upper Pliocene localities of Thailand, suggesting chronological correlation between these two faunas. Moreover, these fossil rodent assemblages are composed primarily of the species distributed endemically in continental South-East Asia. Late Pliocene rodents of continental South-East Asia were affected by river barriers that formed during the Mio-Pliocene, and they were probably not able to disperse from South-East Asia into South and East Asia. [GRAPHICS] : 0171B3BE-02D4-433C-A5CE-4729C537FAF8
  • Tsubamoto, T, Kunimatsu, Y, Nakaya, H, Sakai, T, Saneyoshi, M, Mbua, E, Nakatsukasa, M
    Journal of the Geological Society of Japan 121 4 153 - 159 2015年04月 [査読有り]
     研究論文(学術雑誌)
  • Khin Zaw, Sebastien Meffre, Masanaru Takai, Hisashi Suzuki, Clive Burrett, Thaung Htike, Zin Maung Maung Thein, Takehisa Tsubamoto, Naoko Egi, Maung Maung
    GONDWANA RESEARCH 26 1 122 - 131 2014年07月 [査読有り]
     研究論文(学術雑誌) 
    The Late Middle Eocene Pondaung Formation, central Myanmar hosts the richest deposit of terrestrial mammals in SE Asia. The Pondaung Formation contains anthropoid primates, such as Eosimiidae, Amphipithecidae and the new Afrotarsiidae, plus adapiform primates and is a critical locality in discussions on anthropoid origins and biogeography. The sands of the Pondaung Formation were derived from the erosional unroofing of a dissected andesitic volcanic arc and deposited on the forested floodplains of a large tropical river. Previously, the age of the Pondaung Formation was estimated to be Middle to Late Eocene based on stratigraphic evidence, Late Middle Eocene (Bartonian) based on comparisons with mammals from North America and Europe, 372 +/- 1.3 Ma and 38.8 +/- 1.4 Ma based on fission track dating and 37.4-37.0 Ma based on questionable magnetostratigraphic correlations. Here, we report a new LA-ICP-MS, U-Pb age for zircons from a tuffaceous bed in the Pondaung Formation of 40.31 +/- 0.65 Ma and 40.22 +/- 0.86 Ma which is slightly older than the debatable magnetostratigraphic ages of 37-36 Ma and 38-39 Ma for the anthropoids from Egypt and Libya. Pending the acquisition of similarly reliable radiometric dates from all the North African and Asian sites, this new date provides support for an Asian origin for the anthropoids. Our new dates are dose to the molecular clock date for the origin of the anthropoid primates and may provide a reliable calibration point for the molecular phylogenetic method. (C) 2013 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.
  • Takehisa Tsubamoto
    ACTA PALAEONTOLOGICA POLONICA 59 2 259 - 265 2014年 [査読有り]
     研究論文(学術雑誌) 
    Astragalar fossils have been intensively studied as an indicator of the functional morphology and phylogenetic relationships of mammals. However, relatively few studies have investigated the relationship between astragalar size and body mass, usually with a focus on a particular taxonomic group. Here, univariate and multiple regression models are used to analyze the relationship between astragalar size and body mass based on an extensive sample of extant land mammals (11 orders, 48 species, 80 individuals; body mass ranging from 18 g to 3.4 t). The analyses revealed the size of the tibial trochlea to be a better predictor of body mass than the total size of the astragalus. Based on these results, estimates of the body mass of several Paleogene land mammals were calculated and compared to those of previous studies. Thus, for example, the body mass of "Baluchitherium", the largest terrestrial mammal known to date, was estimated at about 10-15 t.
  • Takehisa Tsubamoto, Naoko Egi, Masanaru Takai, Thaung-Htike, Zin-Maung-Maung-Thein
    PALEONTOLOGICAL RESEARCH 17 4 297 - 311 2013年10月 [査読有り]
     研究論文(学術雑誌) 
    A new genus and species of small bunodont artiodactyl (Mammalia), Myanmarius chitseini, is established on the basis of molar specimens from the upper middle Eocene Pondaung Formation, Myanmar. The specimens consist of upper molars and one m3. The m3 is provisionally referred to this species. Myanmarius is characterized by a low crown, bunodont cusps, a wide crushing trigon basin, a large metaconule, a reduced paraconule, a protocone distinctly larger than the other main cusps, an obtuse angled and inverted V-shaped centrocrista, a mesiodistally oriented postprotocrista and premetacristule, a buccally shifted and almost mesiodistally oriented cristid obliqua, no hypocone, no styles, and no lingual separation into two (mesial and distal) lobes of the upper molars. Our cladistic analysis supports the raoellid affinity of Myanmarius, which is nested with Khirtharia. However, if the m3 is excluded from the hypodigm of Myanmarius, the cladistic analysis rather supports the suoid affinity of Myanmarius. Therefore, the phyletic position of Myanmarius is still unclear.
  • New specimens of Entelodon gobiensis (Mammalia; Artiodactyla; Entelodontidae) from the Eocene Ergilin Dzo Formation, Mongolia
    Tsubamoto, T, Tsogtbaatar, Kh, Saneyoshi, M, Mainbayar, B, Watabe, M, Chinzorig, Ts, Khatanbaatar, P, Nishido, H
    The Bulletin of Research Institute of Natural Sciences, Okayama University of Science 39 37 - 41 2013年03月
  • Dental morphology of ‘Pterodon sp.’ (Mammalia; Hyaenodontidae) described from the Eocene Ergilin Dzo Formation, Mongolia
    Tsubamoto, T, Tsogtbaatar, Kh, Chinzorig, Ts, Mainbayar, B, Egi, N, Saneyoshi, M, Nishido, H
    The Bulletin of Research Institute of Natural Sciences, Okayama University of Science 39 43 - 44 2013年03月
  • Tsubamoto, T, Egi, N, Takai, M, Thaung-Htike, Zin-Maung-Maung-Thein
    Journal of Fossil Research 45 2 70 - 73 2013年02月 [査読有り]
     研究論文(学術雑誌)
  • The Plio-Pleistocene mammal fauna and paleoenvironment in central Myanmar
    Nishioka Y, Takai M, Egi N, Tsubamoto T, Thaung-Htike, Zin-Maung-Maung-Thein
    Southeast Asian Gateway Evolution Meeting(2013/03, Berlin, Germany) 2013年 [査読有り]
  • Tsubamoto, T, Egi, N, Takai, M, Thaung-Htike, Zin-Maung-Maung-Thein
    Journal of Fossil Research 45 1 6 - 10 2012年09月 [査読有り]
     研究論文(学術雑誌)
  • Takehisa Tsubamoto, Khishigjav Tsogtbaatar, Mototaka Saneyoshi, Buurei Mainbayar, Mahito Watabe, Tsogtbaatar Chinzorig, Shigeru Suzuki, Purevdorg Khatanbaatar, Shinobu Ishigaki, Rinchen Barsbold
    PALEONTOLOGICAL RESEARCH 16 2 171 - 174 2012年06月 [査読有り]
     研究論文(学術雑誌)
  • Tsubamoto, T, Tsogtbaatar, Kh, Watabe, M, Saneyoshi, M, Chinzorig, Ts
    Journal of Fossil Research 44 2 78 - 79 2012年02月 [査読有り]
     研究論文(学術雑誌)
  • Takehisa Tsubamoto, Thaung-Htike, Zin-Maung-Maung-Thein, Naoko Egi, Yuichiro Nishioka, Maung-Maung, Masanaru Takai
    JOURNAL OF VERTEBRATE PALEONTOLOGY 32 4 956 - 964 2012年 [査読有り]
     研究論文(学術雑誌) 
    Gnatho-dental specimens of the anthracotheres (Mammalia; Artiodactyla) from the four Neogene localities of central Myanmar are described. Four species of anthracotheres are recognized in the Neogene of central Myanmar: Microbunodon silistrensis and a small bothriodontine from the middle Miocene; and Microbunodon milaensis and Merycopotamus dissimilis from the latest Miocene to Pliocene. This discovery extends the temporal range of Microbunodon up to the Pliocene. The co-occurrence of forest-dwelling Microbunodon and grass-eating and semi-aquatic Me. dissimilis reinforces that central Myanmar was less arid and had a wider range of habitats than the northern Indian Subcontinent during the Pliocene. This implies the possibility that Pliocene Southeast Asia might have been a refugium for some late Miocene forest-dwelling ungulates.
  • Takehisa Tsubamoto, Mototaka Saneyoshi, Mahito Watabe, Khishigjav Tsogtbaatar, Buurei Mainbayar
    PALEONTOLOGICAL RESEARCH 15 4 258 - 268 2011年12月 [査読有り]
     研究論文(学術雑誌) 
    We review the entelodontid artiodactyl fauna of the upper Eocene Ergilin Do Formation in southeastern Mongolia. Also, we describe new specimens of Brachyhyops trofimovi from the Khoer Dzan locality and review the characteristics and Asian distribution of Brachyhyops. The revised entelodontid fauna of the formation consists of three species: Entelodon gobiensis (from the Khoer Dzan and Ergilin Dzo localities), Brachyhyops trofimovi (from the Khoer Dzan locality), and Brachyhyops? sp. (from the Ergilin Dzo locality). The discovery of p4 and M2 of B. trofimovi demonstrates the definitive diagnostic characteristics of this species within the genus: p4 is buccolingually wide and is triangular in occlusal view; it has a well developed and high cusp (= hypoconid?), which is fused to the posterior part of the protoconid; and M2 has a better-developed pericone. In Asia, Brachyhyops is recorded only in the southern part during the middle Eocene and only in the northern part during the late Eocene, implying that the genus originated in the southern part of Asia and subsequently migrated northward, giving rise to northern Asian and North American Brachyhyops.
  • Naoko Egi, Thaung-Htike, Zin-Maung-Maung-Thein, Maung-Maung, Yuichiro Nishioka, Takehisa Tsubamoto, Shintaro Ogino, Masanaru Takai
    JOURNAL OF ASIAN EARTH SCIENCES 42 6 1204 - 1209 2011年11月 [査読有り]
     研究論文(学術雑誌) 
    A tooth of a mongoose (Mammalia: Carnivora: Herpestidae) was discovered from the Upper Irrawaddy sediments in central Myanmar. The age of the fauna is not older than the mid-Pliocene. It is identified as a right first upper molar of a small species of Urva (formally included in the genus Herpestes) based on its size and shape. The present specimen is the first carnivoran from the Upper Irrawaddy sediments and is the first record of mongooses in the Pliocene and early Pleistocene of Asia. It confirms that mongooses had already dispersed into Southeast Asia by the late Pliocene, being consistent with the previous molecular phylogenetic analyses. The fossil may belong to one of the extant species, but an assignment to a specific species is difficult due to the fragmentary nature of the specimen and the small interspecific differences in dental shape among the Asian mongooses. The size of the tooth suggests that the Irrawaddy specimen is within or close to the clade of Urva auropunctata + javanica + edwardsii, and this taxonomic assignment agrees with the geographical distribution. (C) 2011 Elsevier Ltd. All rights reserved.
  • Tsubamoto, T, Tsogtbaatar, Kh, Saneyoshi, M, Mainbayar, B, Watabe, M, Chinzorig, Ts, Suzuki, S, Khatanbaatar, P, Ishigaki, S, Barsbold, R
    Journal of Fossil Research 44 1 20 - 23 2011年10月 [査読有り]
     研究論文(学術雑誌)
  • Takehisa Tsubamoto, Naoki Kohno
    PALEONTOLOGICAL RESEARCH 15 3 115 - 124 2011年09月 [査読有り]
     研究論文(学術雑誌) 
    We reappraise the type and only known specimen of "Brachyodus" japonicus Matsumoto in Tokunaga, which is an anthracothere (Mammalia, Cetartiodactyla) discovered from the Oligocene Nakazato Formation of the Sasebo Group (Japan) in the early 20th Century. The specimen is a mandibular fragment with p4-m2 and is now housed in the National Museum of Japanese History (Sakura, Japan). The geologic age of the species is set at the middle part of the Oligocene on the basis of fission-track datings. Compared to Brachyodus, the present specimen is much smaller in size and has a more mesiodistally elongated p4, indicating that it is not referable to Brachyodus. Instead, it is comparable in dental morphology and size to Elomeryx in having moderately selenodont molars and a mesiodistally elongated p4 with a distinct paraconid and metaconid. Compared to other species of Elomeryx, it is unique in that p4 has a wider talonid and a better developed distobuccal cingulum, suggesting that "Brachyodus" japonicus is a distinct species of the genus Elomeryx. Therefore, we rename this species Elomeryx japonicus. Reconsidered as such, the specimen yields significant information concerning the paleobiogeography of the poorly understood East Asian Oligocene anthracotheres and the origination and early evolution of "advanced bothriodontines" on different landmasses.
  • Zin-Maung-Maung-Thein, Masanaru Takai, Hikaru Uno, Jonathan G. Wynn, Naoko Egi, Takehisa Tsubamoto, Thaung-Htike, Aung-Naing-Soe, Maung-Maung, Takeshi Nishimura, Minoru Yoneda
    PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 300 1-4 11 - 22 2011年02月 [査読有り]
     研究論文(学術雑誌) 
    The tooth enamel of a mammalian fauna from the uppermost Miocene/lower Pliocene Irrawaddy sediments at Chaingzauk, west-central Myanmar were analyzed using stable carbon and oxygen isotopes. The delta C-13 values of porcupines, tragulids, rhinocerotids, suids and proboscideans show that these mammals preferentially consumed C-3 plants in a wooded environment, whereas the delta C-13 values of bovids and hippopotamids indicate that they were grassland-adapted grazers to mixed feeders. In contrast to the thorn scrub, grassland and shrubland vegetation of present-day central Myanmar, stable carbon isotope results of the Chaingzauk fauna suggest a presence of wooded environment in the Chaingzauk area at that time. Present-day arid conditions are likely to have been caused by the uplift of the Indo-Burman Ranges due to the Himalayan Orogeny during the late Miocene to Pliocene, resulting in a rainshadow effect in central Myanmar. Furthermore, southward marine regression due to the rapid influx of sediments from the Indo-Burman Ranges, Eastern Himalayan Ranges and Sino-Burman Ranges into the Central Myanmar Basin in the Miocene to Pliocene might have played an important role in the aridification of this region since the lower Pliocene. (C) 2010 Elsevier B.V. All rights reserved.
  • Mammalian faunal change in Eocene Asia and the Pondaung mammal fauna of Myanmar.
    Tsubamoto, T, Takai, M, Egi, N, Shigehara, N
    Primate Research, 19(1), pp. 43-64 2011年 [査読有り]
  • Tsubamoto, T, Zin-Maung-Maung-Thein, Egi, N, Nishimura, T, Thaung-Htike, Takai, M
    Vertebrata PalAsiatica 49 1 85 - 113 2011年01月 [査読有り]
     研究論文(学術雑誌)
  • Takanobu Tsuihiji, Mahito Watabe, Khishigjav Tsogtbaatar, Takehisa Tsubamoto, Rinchen Barsbold, Shigeru Suzuki, Andrew H. Lee, Ryan C. Ridgely, Yasuhiro Kawahara, Lawrence M. Witmer
    JOURNAL OF VERTEBRATE PALEONTOLOGY 31 3 497 - 517 2011年 [査読有り]
     研究論文(学術雑誌) 
    A juvenile skull of the tyrannosaurid Tarbosaurus bataar found in the Bugin Tsav locality in the Mongolian Gobi Desert is described. With a total length of 290 mm, the present specimen represents one of the smallest skulls known for this species. Not surprisingly, it shows various characteristics common to juvenile tyrannosaurids, such as the rostral margin of the maxillary fenestra not reaching that of the external antorbital fenestra and the postorbital lacking the cornual process. The nasal bears a small lacrimal process, which disappears in adults. Lacking some of the morphological characteristics that are adapted for bearing great feeding forces in adult individuals, this juvenile specimen suggests that T. bataar would have changed its dietary niches during ontogeny. The numbers of alveoli in the maxilla (13) and dentary (14 and 15) are the same as those in adults, suggesting that they do not change ontogenetically in T. bataar and thus are not consistent with the hypothesis that the numbers of alveoli decreases ontogenetically in tyrannosaurids.
  • Yuichiro Nishioka, Zin-Maung-Maung-Thein, Naoko Egi, Takehisa Tsubamoto, Takeshi Nishimura, Tsuyoshi Ito, Thaung-Htike, Masanaru Takai
    JOURNAL OF VERTEBRATE PALEONTOLOGY 31 4 919 - 924 2011年 [査読有り]
     研究論文(学術雑誌)
  • Takehisa Tsubamoto
    PALEONTOLOGICAL RESEARCH 14 2 161 - 165 2010年06月 [査読有り]
     研究論文(学術雑誌)
  • Additional specimens of the Anthracotheriidae (Mammalia; Artiodactyla) from the upper Eocene Ergilin Dzo Formation of Mongolia
    Tsubamoto, T
    Hayashibara Museum of Natural Sciences Research Bulletin 3 143 - 147 2010年03月
  • Lithostratigraphic and sedimentological analysis of the upper Eocene Ergilin Dzo Formation of Ergilin Dzo locality, Mongolia
    Saneyoshi, M, Tsubamoto, T, Watabe, M, Tsogtbaatar, Kh
    Hayashibara Museum of Natural Sciences Research Bulletin 3 149 - 153 2010年03月
  • First discovery of colobine fossils from the late Miocene/ealry Pliocene of central Myanmar.
    Takai M, Htike T, Maung Thein ZM, Egi N, Tsubamoto T
    23rd Congress of International Primatological Society (2010/09, Kyoto). 2010年 [査読有り]
  • Zin-Maung-Maung-Thein, Masanaru Takai, Takehisa Tsubamoto, Naoko Egi, Thaung-Htike, Takeshi Nishimura, Maung-Maung, Zaw-Win
    JOURNAL OF ASIAN EARTH SCIENCES 37 2 154 - 165 2010年01月 [査読有り]
     研究論文(学術雑誌) 
    Four genera and one indeterminate genus (total eight species) of fossil rhinoceroses (Mammalia: Perissodactyla: Rhinocerotidae) are recognized from the Neogene of central Myanmar. In the early Miocene, most area of central Myanmar were under the shallow marine condition, and no rhinocerotid remain has been documented yet. During the middle to late Miocene, the rhinocerotid remains are commonly found and are represented by "Diceratherium" naricum, Brachypotherium perimense, Brachypotherium fatehjangense and an indeterminate rhinocerotid. In the latest Miocene, these archaic rhinoceroses became extinct. In the late Neogene, the extant genera, Rhinoceros (late Miocene to Pleistocene) and Dicerorhinus (Plio-Pleistocene) first appeared in Myanmar. They appear to have dispersed to the Island Southeast Asia from the continental Asia during the early Pleistocene to middle Pleistocene when the eustatic sea level became low remarkably. (C) 2009 Elsevier Ltd. All rights reserved.
  • Naoko Egi, Takehisa Tsubamoto, Khishigjav Tsogtbaatar
    PALEONTOLOGICAL RESEARCH 13 3 245 - 249 2009年09月 [査読有り]
     研究論文(学術雑誌) 
    A mammal tooth discovered from the upper Eocene Ergilin Dzo Formation of southeastern Mongolia is identified as an upper second molar of a small amphicyonid (Mammalia: Carnivora). It is similar to Cynodictis, which is a primitive amphicyonid from the late Eocene to early Oligocene of Europe, in overall size, relative size of the trigon cusps, and smooth lingual cingulum. However, it differs from Cynodictis and other amphicyonids in having an extremely thick lingual cingulum that bulges posterolingually and a parastyle that positions anterior to the paracone, indicating that it belongs to a new genus of the family. Reappraisals of previously reported "Cynodictis" materials from the Paleogene of Asia imply that none of them belong to the Amphicyonidae, and only the present material confirms the existence of an amphicyonid in the Eocene of northern East Asia. This opens questions on the previously proposed existence of Cynodictis and migration of amphicyonids in the Paleogene of Asia.
  • Maung-Thein Zin-Maung, Naoko Egi, Takehisa Tsubamoto, Hikaru Uno, Jonathan Wynn
    JOURNAL OF VERTEBRATE PALEONTOLOGY 29 144A - 145A 2009年 [査読有り]
  • New late Eocene amphicyonid (Mammalia: Carnivora) from Mongolia with comments on "Cynodictis" and Eocene amphicyonid from Asia.
    Tsubamoto T, Egi N, Tsogtbaatar Kh
    69th Annual Meeting, Society of Vertebrate Paleontology (2009/09, Bristol, UK). 2009年 [査読有り]
  • Takehisa Tsubamoto, Khishigjav Tsogtbaatar
    PALEONTOLOGICAL RESEARCH 12 4 371 - 386 2008年12月 [査読有り]
     研究論文(学術雑誌) 
    We describe fossil specimens of two taxa of anthracotheriid artiodactyls (Mammalia) discovered in the upper Eocene Ergilin Dzo Formation of southeastern Mongolia and briefly review the late Eocene anthracotheriids of northern East Asia. The specimens described here are: (1) an upper molar, an astragalus, and a calcaneum of a small bunodont anthracotheriid; and (2) upper and lower postcanine dentitions, an astragalus, and a distal tibia of a Bothriodon/aepinacodon-like selenodont anthracotheriid. This paper provides the first description and figures of the Anthracotheriidae from the formation, which were hitherto poorly understood. The anthracotheriid fauna of the formation currently consists of two species, an indeterminate bunodont anthracotheriid and cf. Bothriodon sp. This is the first discovery of a bunodont anthracotheriid in the late Eocene of the northern part of East Asia. The anthracotheriids are mainly represented by selenodont and bunoselenodont species and are rare faunal elements in the late Eocene of northern East Asia; in contrast, they are mainly represented by bunodont and bunoselenodont species and are predominant faunal elements in the late Eocene of southern East Asia. This implies a paleobiogeographical separation between the northern and the southern parts of East Asia during the late Eocene.
  • Zin-Maung-Maung-Thein, Masanaru Takai, Takehisa Tsubamoto, Thaung-Htike, Naoko Egi, Maung-Maung
    PALAEONTOLOGY 51 6 1419 - 1433 2008年11月 [査読有り]
     研究論文(学術雑誌) 
    A skull and mandible of the new species Dicerorhinus gwebinensis sp. nov. of Rhinocerotidae (Mammalia, Perissodactyla) is described. The material is collected from the upper part of the Irrawaddy sediments (Plio-Pleistocene) in central Myanmar. D. gwebinensis sp. nov. is morphologically more similar to the extant species D. sumatrensis (Sumatran rhinoceros) than to other species of the genus but differs from D. sumatrensis in having the comparatively shorter nasal, the more concave dorsal profile of the skull, the more elevated occiput and presence of molar crista in M3/. This is the first discovery of Dicerorhinus in the upper Miocene to lower Pleistocene of the Indian subcontinent and Mainland Southeast Asia, and fills the chronological and geographical gap of this lineage in Asia. The Dicerorhinus clade probably migrated into Southeast Asia from East Asia by the Pliocene or early Pleistocene. This hypothesis is supported by the scarcity or absence of this clade in the Neogene mammalian fauna of the Indian Subcontinent.
  • Takehisa Tsubamoto, Mahito Watabe, Khishigjav Tsogtbaatar
    JOURNAL OF VERTEBRATE PALEONTOLOGY 28 2 559 - 564 2008年06月 [査読有り]
     研究論文(学術雑誌)
  • Thaung-Htike, Chit-Sein, Masanaru Takai, Naoko Egi, Takehisa Tsubamoto, Zin-Maung-Maung-Thein, Maung-Maung
    Paleontological Research 11 4 307 - 315 2007年12月 [査読有り]
     研究論文(学術雑誌) 
    We describe two new species of Tetraconodon, T. irramagnus sp. nov. and T. irramedius sp. nov., from the late Miocene of Myanmar recognized when reevaluating large Tetraconodon specimens. Tetraconodon had also been recovered from the late Miocene Siwalik sediments of India/Pakistan. However, in the Siwalik specimens, the dimensions of the last two premolars and the third molar with respect to those of the first molar are distinctly greater than those of the Myanmar specimens. In Myanmar species, the relative dental sizes are similar, and the most obvious interspecies distinctions are their dental size differences. Considering the variation in the relative sizes of the last two premolars and third molar with respect to the first molar among the Siwalik and Myanmar Tetraconodon, the enlargement of the last two premolars and the third molar could be regarded as a characteristic of the interspecies distinction. © by the Palaeontological Society of Japan.
  • Thaung-Htike, Chit-Sein, Takai, M, Egi, N, Tsubamoto, T, Zin-Maung-Maung-Thein, Maung-Maung
    Paleontological Research 11 4 307 - 315 2007年12月 [査読有り]
     研究論文(学術雑誌)
  • Takehisa Tsubamoto, Takashi Matsubara, Satoshi Tanaka, Haruo Saegusa
    ISLAND ARC 16 3 479 - 492 2007年09月 [査読有り]
     研究論文(学術雑誌) 
    The age of the Yokawa Formation of the Cenozoic Kobe Group distributed in Hyogo Prefecture of western Japan based on mammalian fossils is discussed. Two fossil dental specimens of terrestrial mammals discovered from the lowest part of the Yokawa Formation in the Sanda area are described. These two fossils described here are: (i) a right mandibular fragment with p2-m3 of Bothriodon sandaensis sp. nov. (selenodont anthracotheriid artiodactyl), which appears to be the most primitive among the species of the genus; and (ii) right m1-m3 of cf. Hyrachyus sp. (primitive rhinocerotoid perissodactyl). In the lower part of the Yokawa Formation, Zaisanamynodon (amynodontid perissodactyl) was previously reported. The morphology ('evolutionary stage') of B. sandaensis is indicative of the latest Middle to Late Eocene, that of cf. Hyrachyus sp. is indicative of the Early to Middle Eocene, and Zaisanamynodon is indicative of the Late Middle to Late Eocene. Therefore, the fossil mammals of the Yokawa Formation indicate an latest Middle Eocene (ca. 38 Ma) correlation for the lower part of the formation, as a working hypothesis. Although the resolution of the geological age based on these mammalian fossils is relatively low compared to that based on marine index fossils, this result is concordant with the recent radiometric correlation of the lower part of the Yokawa Formation in the Sanda area.
  • N. Egi, T. Tsubamoto, M. Takai
    JOURNAL OF PALEONTOLOGY 81 4 770 - 778 2007年07月 [査読有り]
     研究論文(学術雑誌) 
    We establish a new genus of a hyaenaelurine hyaenodontid (Creodonta: Mammalia), Orienspterodon for "Pterodon" dahkoensis, which is known from three late middle Eocene localities in central and southern China and Myanmar. This paper provides a full description of the species and a comment on the early evolution of Hyaenaelurinae. Some features of Orienspiterodon (p2-p3 without an anterior accessory cuspulid, lesser reduction of the m3 talonid relative to m1-m2 talonids' double-rooted P3, and better fusion of the paracone and metacone on M1) confirm that O. dahkoensis is distinct from Pterodon. Orienspterodon differs from the other specialized hyaenodontids from the Paleogene of Asia in being a hyaenaelurine, in being unrelated to Hyaenodon, and in having a geographical distribution in the southern part of the continent. Orienspterodon represents the earliest fossil records of Hyaenaelurinae, and some features (small metaconid on m3, basined talonid on all lower molars, a short and more diagonally oriented metastyle, larg size, better fused paracone and metacone) indicate an early branching of this genus from the other hyaenaelurines.
  • Mahito Watabe, Takehisa Tsubamoto, Khishigjav Tsogtbaatar
    ACTA PALAEONTOLOGICA POLONICA 52 2 263 - 274 2007年06月 [査読有り]
     研究論文(学術雑誌) 
    The Upper Jurassic Ulaan Malgait Beds in the Shar Teg locality of southwestern Mongolia have yielded remains of a new tritylodontid therapsid (Synapsida), Bienotheroides shartegensis sp. nov. The specimen consists of a fragmentary skull associated with lower jaws. It is assigned to Bienotheroides based on its short snout, a premaxilla-palatine contact, very reduced maxilla, relatively rounded corner of upper postcanine teeth (PC), and PC cusp formula of 2-3-3. It differs from the other species of Bienotheroides in having a much more reduced middle mesial cusp of PC. It further differs from B. zigongensis and B. ultimus in having shorter and wider PC, from B. ultimus in lacking a projection at the middle mesial margin of PC, and from B. wansienensis in lacking the vestigialmost mesiobuccal cusp of PC and in lacking a diastema between upper 11 and 12. This is the first discovery of the Tritylodontidae in Mongolia. This discovery extends the taxonomic (morphological) diversity and geographic range of Bienotheroides and underlies the success of the genus in the Middle to Late Jurassic biota of eastern Eurasia.
  • Origin of Sivachoerus (Artiodactyla, Suidae, Tetraconodontinae) from the Pliocene of Myanmar.
    Thaung-Htike, Takai M, Zin-Maung-Maung-Thein, Tsubamoto T, Egi N, Maung-Maung
    (2007) 日本古生物学会 (2007/06, 大阪). 2007年 [査読有り]
  • Neogene rhinoceros of Myanmar.
    Zin-Maung-Maung-Thein, Takai M, Thaung-Htike, Tsubamoto T, Egi N, Maung-Maung
    (2007) Regional Committee on Pacific Neogene Stratigraphy (RCPNS). IX International Congress on Pacific Neogene Stratigraphy (2007/10, Tsukuba). 2007年 [査読有り]
  • PA Holroyd, T Tsubamoto, N Egi, RL Ciochon, M Takai, ST Tun, C Sein, GF Gunnell
    JOURNAL OF VERTEBRATE PALEONTOLOGY 26 2 491 - 494 2006年06月 [査読有り]
     研究論文(学術雑誌)
  • N Egi, M Takai, T Tsubamoto, M Maung, C Sein, N Shigehara
    PRIMATES 47 2 123 - 130 2006年04月 [査読有り]
     研究論文(学術雑誌) 
    Myanmarpithecus yarshensis is ail amphipithecid primate from the middle Eocene Pondaung Formation in Myanmar. It was previously known based on maxillary fragments with P-4-M-3 and mandibular fragments with C-P-3 and M2-3. This Study reports new materials for the genus, including a humeral head fragment, a lingual fragment of the right M-2, a lingual fragment of the right M-3, and a left I-1. These new materials were collected from approximately the same point, and likely belonged to the same individual. The upper molar morphology and size of the new materials show similarity to those of the type specimen, indicating that the new materials can be assigned to M. Yarshensis. The humeral head is the first postcranial element that Is associated with dental materials for amphipithecids. The morphological similarity between the previously reported larger humerus and this specimen confirms the assignment of the former specimen to Amphipithecidae and suggests common locomotor adaptations in the family. The upper central incisor is large relative to the molar fragments, but is within the variation among extant platyrrhines. The tooth is spatulate-shaped and high crowned, and lacks the mesial process, indicating similarity to I-1 of haplorhines and clear differences from that of adapoids. It has been suggested that amphipithecids, Including Myanmarpithecits, have affinities with notharctine adapoids, but the morphology of V does not Support the notharctine hypothesis of the Amphipithecidae.
  • Stidham, T. A, Holroyd, P. A, Gunnell, G. F, Ciochon, R. L, Tsubamoto, T, Egi, N, Takai, M
    Contributions from the Museum of Paleontology, The University of Michigan 31 7 179 - 184 2005年12月 [査読有り]
     研究論文(学術雑誌)
  • N Egi, PA Holroyd, T Tsubamoto, AN Soe, M Takai, RL Ciochon
    JOURNAL OF SYSTEMATIC PALAEONTOLOGY 3 4 337 - 358 2005年12月 [査読有り]
     研究論文(学術雑誌) 
    Recent expeditions in the Pondaung Formation have revealed an assemblage of hyaenoclontid creodonts from the late middle Eocene of Myanmar. Among the three proviverrines known from the fauna, Kyawdawia lupina gen. et sp. nov. is represented by the most complete dental materials. Kyowdawia is similar to the proviverrines known from the Eocene and middle Miocene of India-Pakistan and from the late Eocene to middle Miocene of Africa, in that it has a short protocone and strong buccal cingulum on M1-2, a small metaconid on m2-3 and a well-basined talonid on p4-m2. In addition, it lacks an anterior accessory cusp on p4 and the distinction between the hypoconulid and entoconic! on the lower molars. it is unique among the Afroasian proviverrines in lacking a protocone lobe on P4 and in having a broader paracone relative to the metacone on M1-2. This species is one of the largest proviverrines and was estimated to be the size of a red wolf. The type specimen includes postcranial materials. The well-developed deltopectoral crest, supracondylar ridge and medial epicondyle of the humerus and the relatively short gracile tibia suggest some digging adaptations, white the two well preserved caudal vertebrae indicate the presence of a long tail. The cladistic analysis Of 14 proviverrines from Europe and Afroasia based on dental morphologies supports the monophyly of proviverrines from Africa and South and Southeast Asia. This group must have originated from the European forms by the early Eocene and dispersed into South and Southeast Asia. Kyawdawia is phylogenetically closest to Masrasector from the [ate Eocene to early Oligocene of Egypt and Oman, and the second closest to Paratritemnodon from the middle Eocene of India-Pakistan. The other two Pondaung proviverrines, Yarshea cruenta and an indeterminate proviverrine, are also close to these genera.
  • Thaung-Htike, Takehisa Tsubamoto, Masanaru Takai, Masahito Natori, Naoko Egi, Maung-Maung, Chit-Sein
    Paleontological Research 9 3 243 - 253 2005年09月 [査読有り]
     研究論文(学術雑誌) 
    We describe five new dento-gnathic specimens of Tetraconodon, a genus of Miocene tetraconodontine suid (Mammalia, Artiodactyla), discovered in Myanmar (= Burma). In Myanmar, we recognized three distinct species of Tetraconodon (T. minor, T. intermedius and T. malensis sp. nov.) and one specifically undetermined specimen, which is here named Tetraconodon sp. cf. T. intermedius. The new species, T. malensis, has characteristics of Tetraconodon, such as extremely enlarged P4 and simple and relatively small M3. It is distinct from the other Tetraconodon species in being much smaller, suggesting that it is the most primitive known Tetraconodon species. The dental size and characteristics of T. malensis suggest that Tetraconodon was derived during the late middle Miocene from the early middle Miocene Conohyus sindiensis, which was discovered in the Siwalik Group of Indo-Pakistan and Nepal and has also been found in the middle Miocene deposits of Thailand, or a close relative. The discovery of the most primitive form in Myanmar suggests that Tetraconodon may have originated in Myanmar. © by the Palaeontological Society of Japan.
  • TD Nishimura, M Takai, T Tsubamoto, N Egi, N Shigehara
    JOURNAL OF HUMAN EVOLUTION 49 3 370 - 389 2005年09月 [査読有り]
     研究論文(学術雑誌) 
    Variations in the maxillary sinus anatomy of extant and fossil catarrhine primates have been extensively examined using computed tomography (CT), and have potential utility for phylogenetic analyses. This approach has also been used to demonstrate its anatomical variation in eight of the 16 extant genera of platyrrhines and the absence of the sinus in Samiri and Cacajao. We used this approach to evaluate the three-dimensional anatomy of the maxillary sinus in all extant platyrrhine genera, and here argue the phylogenic implications of this variation. This study confirms, for the most part, previous CT studies and augments them with the six genera not studied previously: Ateles, Lagothrix, Callithrix, Cebuella, Pithecia and Chiropotes. The entire maxilla is pneumatized by the sinus in the atelines, Cebus, and Callicebus, whereas the sinus pneumatizes only the medial part of the maxilla in the callitrichines and Aotus. Pithecia has a unique conformation in which the maxillary sinus and the expanded inferior meatus pneumatize the posteromedial and anterolateral parts of the entire maxilla, respectively. Chiropotes has no sinus, and the inferior meatus possibly expands into the area between the middle meatus and medial surface of the maxilla to disturb sinus formation, as in the case of its close relative Cacajao. Finally, we argue that the sinus that pneumatizes the entire maxilla is a primitive feature in extant platyrrhines and was probably shared by the last common ancestor of the anthropoids. (c) 2005 Elsevier Ltd. All rights reserved.
  • M Maung, T Htike, T Tsubamoto, H Suzuki, C Sein, N Egi, Z Win, ZMM Thein, AK Aung
    ANTHROPOLOGICAL SCIENCE 113 1 11 - 15 2005年04月 [査読有り]
     研究論文(学術雑誌) 
    We report on the stratigraphy of the 'Upper Member' of the middle Eocene Pondaung Formation at Paukkaung area (central Myanmar), with an emphasis on horizons that have yielded primate fossils. Deposits from the Paukkaung area of the Pondaung Formation have yielded many primate fossils at localities Pk1, Pk2, Pk3, and Pk5. The primate-bearing beds of these localities correspond to horizons of almost the same stratigraphic level. This was confirmed by tracking marker tuff and sandstone beds distributed in the Paukkaung area.
  • M Takai, C Sein, T Tsubamoto, N Egi, M Maung, N Shigehara
    ANTHROPOLOGICAL SCIENCE 113 1 17 - 25 2005年04月 [査読有り]
     研究論文(学術雑誌) 
    A new species of eosimiid primate, cf. Eosimias paukkaungensis sp. nov., from the latest middle Eocene of Pondaung, central Myanmar is described. The specimen consists of left and right mandibular fragments preserving only the M-3, so that its generic status is provisional. The cf. E. paukkaungensis fossil is much larger than homologues of the two Eosimias species from China. It is too large to be a mandible for the taxa represented by the Eosimias-like calcaneus from Pondaung, but smaller than Bahinia pondaungensis, another eosimiid of the Pondaung fauna. The discovery of cf. E. paukkaungensis indicates diversity of eosimiids in East and Southeast Asia during the middle Eocene.
  • Takai, M, Chit Sein, Tsubamoto, T, Egi, N, Maung Maung, Shigehara, N
    Anthropological Science 113 1 17 - 25 2005年04月 [査読有り]
     研究論文(学術雑誌)
  • Maung Maung, Thaung Htike, Tsubamoto, T, Suzuki, H, Chit Sein, Egi, N, Zaw Win, Zin Maung, Maung Thein, Aye Ko Aung
    Anthropological Science 113 1 11 - 15 2005年04月 [査読有り]
     研究論文(学術雑誌)
  • Isaji, S, Okazaki, H, Hirayama, R, Matsuoka, H, Barrett, P. M, Tsubamoto, T, Yamaguchi, M, Yamaguchi, I, Sakumoto T
    Bulletin of Kitakyushu Museum of Natural History and Human History, Ser. A (Natural History) 3 123 - 133 2005年03月 [査読有り]
     研究論文(学術雑誌)
  • T Tsubamoto, N Egi, M Takai, C Sein, M Maung
    ACTA PALAEONTOLOGICA POLONICA 50 1 117 - 138 2005年02月 [査読有り]
     研究論文(学術雑誌) 
    We review an ungulate mammalian fauna of the Eocene Pondaung Formation, central Myanmar, and herein describe new dental specimens. The taxa newly recognized in the Pondaung Formation are two indeterminate bunodont artiodactyls, two small "eomoropid" perissodactyls (Eomoropus sp. cf. E. minimus and an indeterminate "eomoropid"), and a new deperetellid perissodactyl genus, Bahinolophus, which is established for Deperetella birmanica from the Pondaung Formation. The Pondaung ungulate fauna consists of 29 species (14 families and 18 genera): one species of an indeterminate small ungulate, 12 species (six genera in six families) of artiodactyls, and 16 species (11 genera in seven families) of perissodactyls. Although both Pondaung artiodactyls and perissodactyls are abundant and taxonomically diverse, the former are less diversified in generic numbers than the latter, but are nearly equal to the latter in abundance. Anthracotheriid artiodactyls and brontotheriid and amynodontid perissodactyls are the most abundant elements in the fauna. The estimated paleoecologies of the included taxa, the geologic and geographic evidence, and cenogram analysis suggest that the paleoenvironment of the Pondaung fauna was forested/woodland vegetation with humid/subhumid moisture and large rivers, which were located not far from the eastern Tethyan Sea. The age of the Pondaung fauna is independently correlated with the latest middle Eocene only on the basis of the stratigraphic, microfossil, and radiometric evidence, yielding a result consistent with mammalian faunal correlations. On the other hand, the Pondaung fauna includes many artiodactyl taxa compared to other middle Eocene faunas of East Asia and shows relatively high endemism at the generic level, implying that the Pondaung fauna is not formally included in the Eocene Asian Land Mammal "Ages" system.
  • T Tsubamoto, M Takai, N Egi
    JOURNAL OF VERTEBRATE PALEONTOLOGY 24 3 657 - 667 2004年09月 [査読有り]
     研究論文(学術雑誌) 
    The biogeography and faunal evolution of middle to late Eocene mammals throughout East Asia is assessed. Appearance Event Ordination was used to get a reliable temporal ordination of 92 Paleogene faunas from East Asia. Results from this analysis are generally consistent with the faunal sequence of traditional East Asian Land Mammal "Ages" (EALMAs). Exceptions are that the Arshantan Fauna fell within Irdinmanhan EALMA faunas, and three latest middle to late Eocene faunas from southern East Asia are misaligned due to high degrees of endemism. Comparison of 30 major middle/late Eocene mammalian faunas at the generic level, using Simpson's Faunal Resemblance Index and the ordinal composition of each fauna indicate that: (1) the differentiation in faunal similarity and composition between northern and southern East Asia started near the middle Eocene-late Eocene boundary; (2) this differentiation is reflected by the decline of perissodactyls and radiation of several artiodactyl clades in the later Eocene of southern East Asia; and (3) in southern East Asia, faunal endemism increased in the later Eocene. The latest middle to late Eocene faunas of the southern area do not fit within the EALMA system, which was primarily established with northern faunas, because of their endemism. Mammalian faunal changes actually seem to have begun much earlier in the southern region of East Asia than in the northern part, so the faunal changes toward the end of the Eocene in East Asia were not synchronous. Faunal changes during the Eocene-Oligocene transition in southern East Asia seem not to have been controlled by global climatic changes.
  • T Tsubamoto, GW Rougier, S Isaji, M Manabe, AM Forasiepi
    ACTA PALAEONTOLOGICA POLONICA 49 3 329 - 346 2004年07月 [査読有り]
     研究論文(学術雑誌) 
    We describe a new spalacotheriid (acute-angled) "symmetrodont" (Mammalia, Trechnotheria), Symmetrolestes parvus gen. et sp. nov., from the Lower Cretaceous, likely Barremian, Kitadani Formation of the Tetori Group, central Japan. The specimen consists of a fragmentary right lower jaw with first incisor and five preserved postcanine teeth (interpreted as p5-m4). Symmetrolestes has acute-angled molariforms with complete shearing surfaces on the para- and protocristids, and relatively tall crowns, features that are referable to Spalacotheriidae. Symmetrolestes is more derived than zhangheotheriids in having complete shearing surfaces, taller crowns, and more complete cingulids. It differs from other spalacotheriids in having fewer molariforms (m1-4), higher number of premolariforms (p1-5), and gradual transition between premolariforms and molariforms. Our cladistic analysis of 29 characters shows Symmetrolestes as the sister group of the remaining Spalacotheriidae. This node is supported by only one character (Bremer support: 1) and therefore not particularly stable. The remaining spalacotheriids are arranged in a fully pectinated tree conforming to the topology of the previous researchers, in which Spalacolestinae occupy an apical position. The combination of the occurrences of a primitive spalacotheriid, Symmetrolestes, in Japan and of Zhangheotheriidae, which is the sister taxon of Spalacotheriidae, in China suggests a possibility for an East Asian origin of Spalacotheriidae, although it implies long ghost lineages for the latest Jurassic to Early Cretaceous East Asian "symmetrodonts".
  • N Egi, PA Holroyd, T Tsubamoto, N Shigehara, M Takai, ST Tun, AK Aung, AN Soe
    JOURNAL OF VERTEBRATE PALEONTOLOGY 24 2 502 - 506 2004年06月 [査読有り]
     研究論文(学術雑誌)
  • Naoko Egi, Soe Thura Tun, Masanaru Takai, Nobuo Shigehara, Takehisa Tsubamoto
    Anthropological Science 112 1 67 - 74 2004年04月 [査読有り]
     研究論文(学術雑誌) 
    Relative abundance and body size were compared among six primate genera found from the Pondaung Formation (latest middle Eocene, Myanmar). Pondaungia, consisting of two species, is the most common primate in the Pondaung fauna. A high abundance of Pondaungia savagei, the larger species, is recorded at the northern fossil localities (Mogaung area). At the southwestern localities (Bahin area), the primates are taxonomically more diverse than in the other areas, and there are no significant differences in abundance of the amphipithecid genera, Myanmarpithecus, Amphipithecus, and Pondaungia. The body sizes of the three eosimiid taxa (Eosimias-like eosimiid, undescribed eosimiid, and Bahinia) and Myanmarpithecus are distinct from one another, but those of the Amphipithecus and Pondaungia species are inseparable. The postcranial bones of a large-sized primate (NMMP 20) from the Pondaung Formation, consisting of humeral, calcaneal, ulnar, and vertebral fragments, most likely belong to Pondaungia cotteri or Amphipithecus mogaungensis, based on comparisons of body mass estimates of NMMP 20 with those of the taxonomically allocated dentognathic specimens. Although NMMP 20 was previously cited as Pondaungia savagei, we consider the current evidence to be insufficient to resolve its species or generic-level taxonomic assignment.
  • N Egi, M Takai, N Shigehara, T Tsubamoto
    INTERNATIONAL JOURNAL OF PRIMATOLOGY 25 1 211 - 236 2004年02月 [査読有り]
     研究論文(学術雑誌) 
    We estimated body masses for middle to late Eocene East Asian eosimiids and amphipithecids from the crown areas of cheek teeth. First, we calculated body mass estimate equations via an extant primate sample of 11 prosimian and 30 anthropoid species, and compared the reliability of the resulting body mass estimate regressions. M1-2 and M1-2 are better body mass estimators, especially for fossils with few samples, because of their low intraspecific variations in dimensions. Moreover, body masses derived from M1-2 tend to indicate lower estimate error than those from other cheek teeth. The relationships between tooth crown areas and body mass differ between prosimians and anthropoids; the estimated body mass from crown area of P-4 or any molar will be larger if anthropoids, instead of prosimians, are used as a reference taxon. Second, We applied the regressions to the fossil primates. The estimated body masses in kg are as follows: Eosimias centennicus, 0.16; E. sinensis, 0.14; Eosimiidae indet. from the Pondaung Formation, less than or equal to0.41; Bahinia pondaungensis, 0.57; Myanmarpithecus yarshensis, 1.8; Amphipithecus mogaungensis, 6.8; Pondaungia cotteri, 5.9; Pondaungia savagei, 8.8; Siamopithecus eocaenus, 5.9. Eosimiids fit the prosimian model better than the anthropoid model. Amphipithecids do not fit one model particularly better than the other, as the estimates vary considerably according to the tooth used and the reference taxon. The anthropoid model gives smaller differences between upper- and lower-molar-based body mass estimates, but premolars are relatively much smaller in amphipithecids than in extant prosimians and anthropoids.
  • Takehisa Tsubamoto, Soe Thura Tun, Naoko Egi, Masanaru Takai, Nobuo Shigehara, Aung Naing Soe, Aye Ko Aung, Tin Thein
    Paleontological Research 7 3 219 - 243 2003年09月 [査読有り]
     研究論文(学術雑誌) 
    We reevaluate some fossil specimens of ungulate mammals from the uppermost middle Eocene Pondaung Formation (central Myanmar), describing some new materials. The taxa studied in this paper are Hsanotherium parvum (Ungulata), Asiohomacodon myanmarensis gen. et sp. nov. (Artiodactyla Dichobunidae Homacodontinae), Indomeryx (Artiodactyla Ruminantia), Indolophus guptai (Perissodactyla Tapiromorpha Indolophidae), and Ceratomorpha fam., gen. et sp. indet. (Perissodactyla). (1) The lower molars of Hsanotherium show a similarity to those of Gobiohyus pressidens (Artiodactyla Helohyidae), and its mesiodistally elongated and trilobed dP4 morphology recalls that of artiodactyls and macroscelideans. However, the unique molar and P4 morphologies of Hsanotherium indicate that Hsanotherium cannot confidently be classified into any present ungulate order, although it can be identified as belonging to the Ungulata because of its large, elongated, and posteriorly projecting hypoconulid on M3. (2) The molar size and morphology of Asiohomacodon recall primitive protoreodontine agriochoerids (Oreodontoidea) such as Protoreodon parvus and derived and agriochoerid-like homacodontine dichobunids such as Pentacemylus, both of which occur in Eocene North America. Asiohomacodon is classified not into the Protoreodontinae but into the Homacodontinae because of the lack of molar metastylid. The lower molar morphology of Asiohomacodon also resembles that of an unusual and agriochoerid-like anthracotheriid, Atopotherium, from Eocene Thailand, although the affinity between these two genera cannot be tested because of the lack of the P4 material of Asiohomacodon. (3) The Pondaung Indomeryx consists of large and small species, I. cotteri (including I. pilgrimi) and I. arenae (including I. minus). Dental morphology in each species of the Pondaung Indomeryx indicates relatively high variation, and the two species are not separable based on their dental morphology. Indomeryx shows many primitive characteristics among ruminants and lacks any critical derived features referable to any ruminant family. (4) Indolophus is referable to primitive tapiromorphs in having a somewhat lophodont dentition and in lacking lingual and buccal cingula and molar metaconule, paraconule, and metastylid. It differs from other tapiromorphs in having a smaller parastyle on the upper dentition and a unique P2.4 morphology with large protocone, high and acute preprotocristid, and no postprotocristid. (5) Although the material of the indeterminate ceratomorph is poorly preserved, its preserved tooth is not identical to any other ceratomorph from the Pondaung Formation, indicating an occurrence of an additional ceratomorph species in the Pondaung fauna.
  • MR Dawson, T Tsubamoto, M Takai, N Egi, ST Tun, C Sein
    ANNALS OF CARNEGIE MUSEUM 72 3 203 - 213 2003年08月 [査読有り]
     研究論文(学術雑誌) 
    Latest middle Eocene deposits in the Pondaung Formation of Myanmar have yielded specimens representing the rodent family Anomaluridae. This is the geologically oldest record of the family. There appear to be two or three species of Pondaung anomalurids. the most completely represented taxon of which is described as a new genus and species, Poadaungimys anomaluropsis. The anomalurids front the Pondaung Formation are characterized by a complex folding pattern on the occlusal surfaces of the check teeth, as well as the basically anomalurid pentalophodont condition. Undescribcd anomalurids have been reported front the late Eocene Of Thailand and Oligocene of Pakistan and the Arabian Peninsula. Their Neogene distribution is only African. This occurrence in the Pondaung Formation adds new evidence to previously reported similarities between Southeast Asian and North Aftican Paleogene mammalian faunas.
  • 鍔本武久, 高井正成, 江木直子, 茂原信生
    霊長類研究 19 1 43 - 64 2003年05月 [査読有り]
     研究論文(学術雑誌)
  • M Takai, N Shigehara, N Egi, T Tsubamoto
    PRIMATES 44 2 137 - 144 2003年04月 [査読有り]
     研究論文(学術雑誌) 
    A detailed endocranial cast of the olfactory bulb of Amphipithecus mogaungensis, a latest middle Eocene primate from the Pondaung Formation (Myanmar), was studied in comparison with some Paleogene primates, the olfactory bulb of which has been reported. The olfactory bulb of Amphipithecus is located just anterior to the postorbital constriction, that is, within the interorbital septum. It is relatively large and pedunculate, not overlapped by the frontal lobe, and consists of two parallell aligned bodies. The relative volume of the olfactory bulb shows the same pattern as in adapiforms, but the location and bilobed form are more similar to those of omomyoids than of adapiforms.
  • Tsubamoto, T, Takai, M, Egi, N, Shigehara, N, Soe Thura Tun, Aye Ko Aung, Aung Naing Soe, Tin Thein
    Paleontological Research 6 4 363 - 384 2002年12月 [査読有り]
     研究論文(学術雑誌)
  • DL Gebo, GF Gunnell, RL Ciochon, M Takai, T Tsubamoto, N Egi
    JOURNAL OF HUMAN EVOLUTION 43 4 549 - 553 2002年10月 [査読有り]
     研究論文(学術雑誌)
  • N Shigehara, M Takai, RF Kay, AK Aung, AN Soe, ST Tun, T Tsubamato, T Thein
    JOURNAL OF HUMAN EVOLUTION 43 2 143 - 166 2002年08月 [査読有り]
     研究論文(学術雑誌) 
    A specimen of Pondaungia from the late middle Eocene Pondaung Formation in central Myanmar includes maxillary fragments and parts of the dentition, some hitherto undocumented, including the upper central incisor, canine, premolars and molars. Pondaungia has a large spatulate Il closely resembling that of crown anthropoids. It possesses a stout projecting upper canine (like anthropoids) but differs from that tooth of crown anthropoids in lacking a strong mesial groove. There are three upper premolars of which P2 is distinctly smaller than P3 or P4. P3 has a buccolingually oriented mesial profile and an inflated distal profile resembling that of parapithecids and crown anthropoids. The distolingual molar cusp is a hypocone and is not homologus with the "pseudohypocone" of notharctines because the cusp is neither twinned with the protocone nor attached to a Nannopithex-fold. Pondaungia has a stout zygomatic root with a strongly demarcated muscle scar for the superficial masseter situated well above the occlusal plane. The inferior orbital margin is not preserved but the inflated suborbital region allows for the inference that the orbit was small. This specimen is not sufficiently well preserved to identify if there was postorbital closure. However, a specimen of the frontal bone of Amphipithecus shows that its orbital septum was absent or poorly developed. If, as commonly supposed, Pondaungia and Amphipithecus are sister taxa, postorbital closure was probably absent in Pondaungia. The large incisors, molars with poorly developed crests and thick enamel, together with the stoutly developed and strong dorsal component of the force vector of the superficial masseter muscle suggest that Pondaungia had a diet low in fiber, but that included hard food objects like nuts or seeds. The present material adds to the structural similarities between Pondaungia and anthropoids, but whether these similarities are due to shared descent or functional and adaptive convergence remains unresolved. (C) 2002 Elsevier Science Ltd. All rights reserved.
  • 江木直子, 高井正成, 茂原信生, 鍔本武久
    霊長類研究 18 1 1 - 18 2002年05月 [査読有り]
     研究論文(学術雑誌)
  • T Tsubamoto, M Takai, N Shigehara, N Egi, ST Tun, AK Aung, M Maung, T Danhara, H Suzuki
    JOURNAL OF HUMAN EVOLUTION 42 4 361 - 369 2002年04月 [査読有り]
     研究論文(学術雑誌)
  • Bowen, G. J, Clyde, W. C, Koch, P. L, Ting, S, Alroy, J, Tsubamoto, T, Wang, Y, Wang, Y
    Science 295 5562 2062 - 2065 2002年03月 [査読有り]
     研究論文(学術雑誌)
  • M Takai, N Shigehara, AK Aung, ST Tun, AN Soe, T Tsubamoto, T Thein
    JOURNAL OF HUMAN EVOLUTION 40 5 393 - 409 2001年05月 [査読有り]
     研究論文(学術雑誌) 
    A new genus and species of medium-sized fossil primate, Myanmarpithecus yarshensis, is described from the lastest middle Eocene sediments of Pondaung, central Myanmar (Burma). The specimens consist of right maxillary fragments with P(4)-M(3) and a left mandibular corpus with C-P(3) and M(2-3). To date, three purported anthropoids have been discovered from the Pondaung Formation: Pondaungia and Amphipithecus (Amphipithecidae) and Bahinia (Eosimiidae), Myanmarpithecus differs from these other Pondaung primates in having cingular hypocones on upper molars and in lacking paraconids on M(2-3). Although Myanmarpithecus resembles some utahiin omomyines in superficial aspects of the morphology of M(2-3) (i.e., mesiodistally compressed molar trigonid and enamel crenulation), the morphological analysis of upper molars and lower premolars indicates that it is neither an omomyoid nor an adapoid but is more derived than fossil prosimians (such as adapoids, omomyoids, and tarsiers) and more anthropoid-like. On the other hand, it is more primitive (prosimian-like) than early anthropoids from the late Eocene/early Oligocene of the Fayum, Egypt. Myanmarpithecus is likely to be an tarry, primitive anthropoid ("protoanthropoid"). (C) 2001 Academic Press.
  • 御船層群“上部層”のフィッション・トラック年代
    鍔本武久
    御船町恐竜博物館年報 1 12 - 16 2001年03月
  • The Pondaung mammal fauna: an analysis of a terrestrial mammal fauna in the latest middle Eocene of central Myanmar (Southeast Asia)
    鍔本 武久
    京都大学大学院理学研究科地質学鉱物学教室博士論文 1 - 112 2001年01月 [査読有り]
  • Tsubamoto, T, Holroyd, P. A, Takai, M, Shigehara, N, Aye Ko Aung, Tin Thein, Aung Naing Soe, Soe Thura Tun
    Paleontological Research 4 3 183 - 189 2000年01月 [査読有り]
     研究論文(学術雑誌)
  • 高井正成, 鍔本武久, 國松豊, 茂原信生
    霊長類研究 15 1 17 - 38 1999年05月 [査読有り]
     研究論文(学術雑誌)
  • Takeshi Setoguchi, Takehisa Tsubamoto, Hajime Hanamura, Kiichiro Hachiya
    Paleontological Research 3 18 - 28 1999年04月 
    The morphology of a mandibular fragment with a left lower molar discovered in the 'Upper Formation' (upper Cenomanian-lower Turonian) of the Mifune Group in central Kyushu, southwestern Japan, suggests that this fossil should be assigned to a new species of Late Cretaceous mammal, Sorlestes mifunensis sp. nov. (Infraclass Eutheria; Order Proteutheria; Family Zhelestidae). S. mifunensis is the oldest zhelestid yet recorded. Some workers suggest that the Zhelestidae have a close affinity with ungulates. A detailed comparison between the lower molar of the new species and those of ungulates supports this suggestion. The comparison also suggests that the Zhelestidae have a closer affinity with ungulates than the Zalambdalestidae and other contemporary mammals, and that S. mifunensis has a relatively primitive character within the Zhelestidae. This comparison leads us to revise the diagnoses of the family Zhelestidae and of the genus Sorlestes. The unique character of the entoconid-hypoconulid twinning seen in the Zhelestidae was probably caused by the movement of the hypoconid (the presumed first single talonic cusp seen in the first therian Kuehneotherium) to the buccal side, far away from the other talonid cusps. This twinning pattern is distinct from the twinning pattern seen in marsupials.
  • A Late Cretaceous mammal from the Mifune Group, Kyushu, Japan, with reconsideration of the evolution of tribosphenic molars
    鍔本 武久
    京都大学大学院理学研究科地質学鉱物学教室修士論文 1 - 42 1998年02月 [査読有り]
  • 北上山地北縁部,岩手県二戸地域南部の地質
    鍔本 武久
    京都大学理学部地質学鉱物学教室卒業論文 1 - 40 1996年02月 [査読有り]

書籍

  • モンゴルゴビ砂漠の恐竜たち
    林原自然科学博 (担当:分担執筆, 範囲:モンゴルの哺乳類化石, p. 134-135)
    御船町恐竜博物館・読売新聞社 2014年
  • 古生物学事典第2版
    日本古生物 (担当:分担執筆, 範囲:アミノドン類,三錐歯類,相称歯類,多丘歯類,単孔類)
    朝倉書店 2010年
  • 恐竜学がわかる
    アエラムック (担当:分担執筆, 範囲:恐竜学がわかるキーワード50,p. 126-132)
    アエラムック,朝日新聞社 2001年

講演・口頭発表等

MISC

  • ケニアの上部中新統ナカリ層から産出した化石イノシシ類であるニャンザコエルス属の新種
    鍔本武久 化石 書評論文,書評,文献紹介等 (108) 43 -44 2020年09月
  • Takehisa Tsubamoto Anthropological Science (Japanese Series) 書評論文,書評,文献紹介等 127 (1) 51 -51 2019年06月
  • ケニアの上部中新統ナカリ層から産出したリストリオドン亜科のイノシシ科とマメジカ科(哺乳綱偶蹄目)の化石
    鍔本武久 化石 記事・総説・解説・論説等(学術雑誌) (103) 68 -69 2018年03月
  • ミャンマー中部始新世ポンダウン動物相のヒエノドン類(Hyaenodontia, Mammalia)集団の古生物地理学的起源
    江木直子, 鍔本武久, Zin-Maung-Maung-Thein・Thaung-Htike, 高井正成 日本古生物学会第166回例会講演予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 51 -15 2017年01月
  • 東南アジアの初期ウシ族SelenoportaxとPachyportaxの分類学的・層序学的再検討。
    西岡佑一郎, 高井正成, 江木直子, 鍔本武久 日本古生物学会講演予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 48 -48 2016年01月
  • ケニアの下部中新統から産出した原始的で大型のカバ科の下顎臼歯化石
    鍔本武久 化石 記事・総説・解説・論説等(学術雑誌) (99) 108 -108 2016年
  • Carnivorans from the Irrawaddy sediments (Myanmar; late Middle Miocne to Early Pleistocene) and their chronological changes
    Egi, N, Ogino, S, Zin-Maung-Maung-Thein, Chit-Sein, Thaing-Htike, Nishioka, Y, Tsubamoto, T, Takai, M Egi, N., Ogino, S., Zin-Maung-Maung-Thein, Chit-Sein, Thaing-Htike, Nishioka, Y., Tsubamoto, T., Takai, M. 研究発表ペーパー・要旨(国際会議) 120 -120 2015年10月 [査読有り]
  • イラワジ堆積物(ミャンマー;中部中新統上部~下部更新統)から産出した食肉類についての予備的報告
    江木直子, 荻野慎諧, Zin-Maung-Maung-Thein・Chit-Sein・Thaung-Htike, 西岡佑一郎, 鍔本武久, 高井正成 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 41 -41 2015年06月
  • 霊長類における距骨からの体重推定とポンダウン化石霊長類への応用
    鍔本武久, 江木直子, 高井正成, タウン-タイ・ジン-マウン-マウン-テイン 日本古生物学会講演予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 41 -41 2015年01月
  • Rich artiodactyl assemblage from the Middle Eocene Pondaung Formation, Myanmar.
    Tsubamoto, T, Egi, N, Takai, M, Thaung-Htike, Zin-Maung-Maung-Thein 74th Annual Meeting, Society of Vertebrate Paleontology Program and Abstracts 研究発表ペーパー・要旨(国際会議) 243 -243 2014年11月 [査読有り]
  • Taxonomic diversity and geographical distribution pattern in hyaenodontids (Mammalia) from the Paleogene of Asia.
    Egi, N, Tsubamoto, T, Takai, M, Tsogtbaatar, Kh, Saneyoshi, M 74th Annual Meeting, Society of Vertebrate Paleontology Program and Abstracts 研究発表ペーパー・要旨(国際会議) 124 -124 2014年11月 [査読有り]
  • ミャンマーに分布する始新統ポンダウン層から発見された鈍頭歯型偶蹄類の新属新種の化石
    鍔本武久 化石 記事・総説・解説・論説等(学術雑誌) (96) 51 -52 2014年
  • ミャンマーで見つかった更新世の「ヒヒ」化石
    高井正成, タウンタイ・ジンマウンマウンテイン, 鍔本武久, 江木直子 Anthropological Science 研究発表ペーパー・要旨(全国大会,その他学術会議) 121 (3) 242 -242 2013年11月
  • ポンダウン層からの新種偶蹄類:ラオエラ科はポンダウン層にいたか?
    鍔本武久, 江木直子, 高井正成, タウンタイ・ジンマウンマウンテイン 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 20 -20 2013年06月
  • 岩間由希, 西本昌司, 近藤光一郎, 飯田浩史, ヒシグジャウ=ツォクトバートル, 鍔本武久 名古屋市科学館紀要 記事・総説・解説・論説等(大学・研究所紀要) (39) 39 -43 2013年03月
  • モンゴルに分布する上部始新統エルギリンゾー層から発見されたメソニクス類の化石
    鍔本武久 化石 記事・総説・解説・論説等(学術雑誌) (93) 141 -142 2013年
  • モンゴル上部始新統産出のネコ亜目食肉類と食肉類冠群の初期の拡散についての解釈
    江木直子, 鍔本武久, 渡部真人, 実吉玄貴, Kh.Tsogtbaatar, B.Mainbayar, Ts.Chinzorig, P.Khatanbaatar 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 56 -56 2012年06月
  • Takehisa Tsubamoto JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 32 185 -185 2012年
  • モンゴルの上部始新統Ergilin Dzo 層産の哺乳類化石群:最新の研究成果
    鍔本武久, Tsogtbaatar, K, 実吉玄貴, Mainbayar, B, 渡部真人, Chinzorig, Ts, 鈴木 茂, Khatanbaatar, 江木直子 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 54 -54 2012年01月
  • ミャンマー中部の後期鮮新世-前期更新世の哺乳類相
    西岡佑一郎, 江木直子, 鍔本武久, タウンタイ・ジンマウンマウンテイン, 高井正成 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 22 -22 2012年01月
  • First discovery of cercopithecid monkeys from the late Miocene to Pliocene Irrawaddy sediments in central Myanmar.
    Takai M, Thaung-Htike, Zin-Maung-Maung-Thein, Maung-Maung, Aung-Naing-Soe, Egi N, Tsubamoto T World Conference on Paleontology and Sedimentology (2011/11/28-12/02, Nakhon Rachashima, Thailand). 研究発表ペーパー・要旨(国際会議) 2011年11月 [査読有り]
  • Evolutionary history of Old World porcupines in Eurasia with an emphasis on the new Hystrix materials from Myanmar.
    Nishioka Y, Thaung-Htike, Zin-Maung-Maung-Thein, Egi N, Tsubamoto T, Takai M World Conference on Paleontology and Sedimentology (2011/11/28-12/2, Nakhon Rachashima, Thailand). 研究発表ペーパー・要旨(国際会議) 2011年11月 [査読有り]
  • Carnivorous mammal faunas in the Paleogene of East Asia: timing of faunal turnovers and geographical differences.
    Egi N, Tsubamoto T, Takai M 22nd International Senckenberg Conference Abstract book 研究発表ペーパー・要旨(国際会議) 54 -55 2011年11月 [査読有り]
  • 鍔本武久, 江木直子, 高井正成, タウン-タイ・ジン-マウン-マウン-テイン 霊長類研究 研究発表ペーパー・要旨(全国大会,その他学術会議) 27 S34 -S34 2011年07月
  • ミャンマー中央部の新第三紀におけるアントラコテリウム類(哺乳綱偶蹄目)の進化
    鍔本武久, タウン-タイ・ジン-マウン-マウン-テイン, 江木直子, 西岡佑一郎, マウン-マウン, 高井正成 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 47 -47 2011年07月
  • 江木直子, 鍔本武久, 高井正成, ジン-マウン-マウン-テイン・タウン-タイ 霊長類研究 研究発表ペーパー・要旨(全国大会,その他学術会議) 27 S34 -S34 2011年07月
  • 古第三紀東ユーラシアの肉食哺乳動物相:構成要素の時間的変化と地理的変異
    江木直子, 鍔本武久, 高井正成 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 46 -46 2011年07月
  • ミャンマーにおける新第三紀のアントラコテリウム類(哺乳綱,偶蹄目)の進化
    鍔本武久, Thaung-Htike, Zin-Maung-Maung-Thein, 江木直子, 高井正成 日本地球惑星科学連合2011年大会 (2011/05, 千葉) 研究発表ペーパー・要旨(全国大会,その他学術会議) BPT26-04 -BPT26-04 2011年05月 [査読有り]
  • 第三紀ユーラシア東部における肉食哺乳動物相:時間的変遷と地理的変異
    江木直子, 鍔本武久, 高井正成 日本地球惑星科学連合2011年大会 (2011/05, 千葉) 研究発表ペーパー・要旨(全国大会,その他学術会議) 2011年05月 [査読有り]
  • Report of the HMNS-MPC Joint Paleontological Expedition in 2006
    Watabe, M, Suzuki, S, Tsogtbaatar, Kh, Tsubamoto, T, Saneyoshi, M Hayashibara Museum of Natural Sciences Research Bulletin 速報,短報,研究ノート等(大学,研究機関紀要) 3 11 -18 2010年03月
  • Report of the HMNS-MPC Joint Paleontological Expedition in 2007
    Saneyoshi, M, Watabe, M, Tsubamoto, T, Tsogtbaatar, Kh, Chinzorig, Ts, Suzuki, S Hayashibara Museum of Natural Sciences Research Bulletin 速報,短報,研究ノート等(大学,研究機関紀要) 3 19 -28 2010年03月
  • Report of the HMNS-MPC Joint Paleontological Expedition in 2008
    Tsubamoto, T, Saneyoshi, M, Tsogtbaatar, Kh, Chinzorig, Ts, Khatanbaatar, P, Mainbayar, B, Suzuki, S Hayashibara Museum of Natural Sciences Research Bulletin 速報,短報,研究ノート等(大学,研究機関紀要) 3 29 -39 2010年03月
  • A list of the publications and presentations on the results by the HMNS-MPC Joint Paleontological Expedition: 2003–2009
    Suzuki, S, Tsubamoto, T Hayashibara Museum of Natural Sciences Research Bulletin 速報,短報,研究ノート等(大学,研究機関紀要) 3 187 -190 2010年03月
  • 前期白亜紀の桑島層から見つかる日本最古の哺乳類化石
    楠橋直, 鍔本武久 桑島化石壁産出化石調査報告書 記事・総説・解説・論説等(大学・研究所紀要) 43 -48 2010年03月
  • タンビンカン哺乳類相(中期中新世・ミャンマー)の解析とその古環境
    ジンマウンマウンテイン, 高井正成, 鵜野光, 三枝春生, タウンタイ, 江木直子, 鍔本武久, 西村剛, Jonathan Wynn, 米田穣 日本古生物学会予稿集 研究発表ペーパー・要旨(国際会議) 14 -14 2010年01月
  • 歯牙エナメル質の安定同位体を用いた チャインザウク哺乳相(新第三紀後半・ミャンマー)の古生態解析
    ジンマウンマウンテイン, 高井正成, 鵜野光, Jonathan Wynn, 江木直子, 鍔本武久, タウンタイ・西村剛 日本古生物学会予稿集 研究発表ペーパー・要旨(国際会議) 22 -22 2009年06月
  • ヘクサプロトドン(偶蹄類;カバ科)のエナメル質の炭素・酸素同位体に基づくミャンマー中央部の後期中新世−前期鮮新世チャインザウク相の古環境復元
    鵜野光, ジンマウンマウンテイン・Jonathan Wynn, 江木直子, 鍔本武久, 高井正成, タウンタイ 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 21 -21 2009年06月
  • 中部始新統ポンダウン層から産出したアントラコテリウム類の新標本
    鍔本武久, ジンマウンマウンテイン, 江木直子, 西村剛, タウンタイ, 高井正成 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 20 -20 2009年06月
  • New primate taxon from the late Middle Eocene Pondaung Formation (central Myanmar).
    Takai, M, Egi, N, Tsubamoto, T, Thaung-Htike, Zin-Maung-Maung-Thein, Suzuki, H International Symposium on Paleogene Biota and Stratigraphy of Eastern Asia Abstract and Guidebook 研究発表ペーパー・要旨(国際会議) 55 -55 2009年06月
  • Enigmatic specimen of an anthracotheriid artiodactyl from the Eocene of Myanmar.
    Tsubamoto T, Zin-Maung-Maung-Thein, Egi N, Nishimura TD, Takai M International Symposium on Paleogene Biota and Stratigraphy of Eastern Asia Abstract and Guidebook 研究発表ペーパー・要旨(国際会議) 57 -58 2009年06月 [査読有り]
  • Carnivorous mammals from the middle Eocene Pondaung Formation (Myanmar).
    Egi N, Tsubamoto T, Takai M International Symposium on Paleogene Biota and Stratigraphy of Eastern Asia Abstract and Guidebook 研究発表ペーパー・要旨(国際会議) 11 -12 2009年06月 [査読有り]
  • Paleoenvironmental analysis of the late Neogene Chaingzauk fauna of Myanmar using stable isotope of tooth enamel.
    Zin-Maung-Maung-Thein, Takai M, Uno H, Wynn J, Egi N, Tsubamoto T, Nishimura T, Saegusa H, Thaung-Htike, Ito T 日本古生物学会第158回例会 (2009/01-02, 那覇). 2009年 [査読有り]
  • ポンダウン相とクラビ相産出の食肉類:始新世後半の東アジア南部における肉食哺乳動物相の変化
    江木直子, 鍔本武久, 仲谷英夫, 國松豊, 高井正成 日本古生物学会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 65 -65 2009年01月
  • Takehisa Tsubamoto, Khishigjav Tsogtbaatar JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 28 (3) 153A -153A 2008年09月
  • Plio-Pleistocene mammalian fauna of Myanmar.
    Zin-Maung-Maung-Thein, Takai M, Thaung-Htike, Tsubamoto T, Egi N, Maung-Maung (2007)International Symposium on Quaternary Environmental Changes and Humans in Asia and the Western Pacific (2007/11, Tsukuba). 研究発表ペーパー・要旨(国際会議) 2007年11月 [査読有り]
  • Takanobu Tsuihiji, Mahito Watabe, Lawrence Witmer, Takehisa Tsubamoto, Khishigjav Tsogtbaatar JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 27 (3) 160A -160A 2007年09月
  • Takehisa Tsubamoto, Mahito Watabe, Khishigjav Tsogtbaatar JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 27 (3) 160A -160A 2007年09月
  • Shigeru Suzuki, Mahito Watabe, Takehisa Tsubamoto, Mototaka Saneyoshi, Khishigjav Tsogtbaatar JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 27 (3) 155A -155A 2007年09月
  • ミャンマーにおける淡水生貝類化石の調査
    鵜飼宏明, 高井正成, タウンタイ, ジンマウンマウンテイン, 江木直子, 鍔本武久, チットセイン, マウンマウン 日本古生物学会第156回例会 (2007/02, 徳島) 研究発表ペーパー・要旨(全国大会,その他学術会議) 2007年02月 [査読有り]
  • Takehisa Tsubamoto, Takashi Matsubara, Haruo Saegusa, Satoshi Tanaka JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 26 (3) 132A -133A 2006年09月
  • Hipparion teeth from the late Miocene ;ower Irrawaddy Group of Myanmar.
    Zin-Maung-Maung-Thein, Thaung-Htike, Takai M, Nakaya H, Egi N, Tsubamoto T, Maung-Maung 日本古生物学会2006年年会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 65 -65 2006年06月 [査読有り]
  • A revision of fossil hippopotamus from the Plio-Pleistocene of Myanmar.
    Thaung Htike, Takai, M, Zin Maung, Maung Thein, Egi, N, Tsubamoto, T, Chit Sein, Maung Maung 日本古生物学会2006年年会予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 16 -16 2006年06月 [査読有り]
  • A summary of the Pondaung fossil expeditions
    Tsubamoto, T, Egi, N, Takai, M, Shigehara, N, Suzuki, H, Nishimura, T, Ugai, H, Maung-Maung, Chit-Sein, Soe Thura Tun, Aung Naing Soe, Aye Ko Aung, Tin Thein, Thaung-Htike, Zin-Maung-Maung-Thein Asian Paleoprimatology 4 1 -66 2006年04月
  • Stratigraphic positions of the Eocene vertebrate localities in the Paukkaung area (Pondaung Formation, central Myanmar)
    Suzuki, H, Maung Maung, Zaw Win, Tsubamoto, T, Zin Maung, Maung Thein, Egi, N, Takai, M, Shigehara, N Asian Paleoprimatology 4 67 -74 2006年04月
  • Notes on fish, reptilian, and several fragmentary mammalian dental fossils from the Pondaung Formation
    Tsubamoto, T, Egi, N, Takai, M Asian Paleoprimatology 4 98 -110 2006年04月
  • Postcranial materials of Pondaung mammals (middle Eocene, Myanmar)
    Egi, N, Tsubamoto, T, Nishimura, T, Shigehara, N Asian Paleoprimatology 4 111 -136 2006年04月
  • Discovery of chalicothere and Dorcabune from the upper part (lower Pleistocene) of the Irrawaddy Formation, Myanmar
    Tsubamoto, T, Zin-Maung-Maung-Thein, Thaung-Htike, Egi, N, Chit-Sein, Maung-Maung, Takai, M Asian Paleoprimatology 4 137 -142 2006年04月
  • Discovery of Propotamochoerus (Artiodactyla, Suidae) from the Neogene of Myanmar
    Thaung-Htike, Tsubamoto, T, Takai, M, Egi, N, Zin-Maung-Maung-Thein, Chit-Sein, Maung-Maung Asian Paleoprimatology 4 173 -185 2006年04月
  • New discovery of a large-type Tetraconodon (Artiodactyla, Suidae) from the lower part of Irrawaddy Formation, Myanmar
    Chit-Sein, Thaung-Htike, Tsubamoto, T, Tin-Thein, R_ssner, G. E Asian Paleoprimatology 4 186 -196 2006年04月
  • Early Pleistocene Javan rhinoceros from the Irrawaddy Formation, Myanmar
    Zin-Maung-Maung-Thein, Thaung-Htike, Tsubamoto, T, Takai, M, Egi, N, Maung-Maung Asian Paleoprimatology 4 197 -204 2006年04月
  • A preliminary report on the freshwater molluscan fossils from Myanmar
    Ugai, H, Takai, M, Tsubamoto, T, Egi, N, Maung-Maung, Chit-Sein, Thaung-Htike, Zin-Maung-Maung-Thein Asian Paleoprimatology 4 205 -220 2006年04月
  • モンゴルの上部始新統Ergilin Dzo層から産出する脊椎動物化石群
    鍔本武久, 渡部真人, 鈴木茂, ヒシグジャウ=ツォクトバートル 地質学雑誌 記事・総説・解説・論説等(学術雑誌) 112 (3) V -VI 2006年03月
  • Early Pleistocene Javan Rhinoceros (Rhinoceros sondaicus) from the upper part of the Irrawaddy Formation, Myanmar.
    Zin Maung, Maung Thein, Thaung Htike, Tsubamoto, T, Takai, M, Egi, N 日本古生物学会第155回例会講演予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 94 -94 2006年02月 [査読有り]
  • New interpretation on two large forms of Tetraconodon (Artiodactyla, Suidae) from the upper Miocene of Myanmar.
    Thaung Htike, Tsubamoto, T, Chit Sein, Takai, M, Egi, N, Zin Maung, Maung Thein, Shigehara, N 日本古生物学会第155回例会講演予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 21 -21 2006年02月 [査読有り]
  • Horizons and mode of occurrence of the vertebrate fossils from the Upper Member of the Eocene Pondaung Formation in the Paukkaung area, central Myanmar.
    Suzuki, H, Maung Maung, Zaw Win, Tsubamoto, T, Zin Maung, Maung Thein, Takai, M, Egi, N, Shigehara, N 日本古生物学会第155回例会講演予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 24 -24 2006年02月 [査読有り]
  • ミャンマーのイラワジ層上部(更新統)から産出したカリコテリウム科とマメジカ科の哺乳類化石
    鍔本武久, ジンマウンマウンテイン, タウンタイ, 高井正成, 江木直子, チットセイン, マウンマウン 日本古生物学会第155回例会 (2006年2月, 京都) 講演予稿集 : 96. 研究発表ペーパー・要旨(全国大会,その他学術会議) 96 -96 2006年02月 [査読有り]
  • ミャンマーにおける第三紀哺乳類化石の発掘調査
    井正成, 江木直子, 鍔本武久, 茂原信生 日本古生物学会第155回例会 (2006年2月, 京都) 講演予稿集 : 102. 研究発表ペーパー・要旨(全国大会,その他学術会議) 102 -102 2006年02月 [査読有り]
  • Takehisa Tsubamoto, Naoko Egi, Masanaru Takai JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 25 (3) 124A -124A 2005年09月
  • Naoko Egi, Takehisa Tsubamoto, Masanaru Takai, Patricia Holroyd JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 25 (3) 53A -53A 2005年09月
  • 南アジアを中心とした古第三紀の霊長類の進化プロセスについて
    高井正成, 鍔本武久, Thaung Htike, Zin Maung, Maung Thein, 茂原信生, 江木直子 日本地質学会第112年学術大会 (2005年9月, 京都) 講演要旨 : 151 研究発表ペーパー・要旨(全国大会,その他学術会議) 151 -151 2005年09月 [査読有り]
  • ミャンマー中期始新世ポンダウン哺乳類相のヒエノドン科肉歯類
    江木直子, 鍔本武久, 高井正成, P. Holroyd 日本古生物学会2005年年会 (2005年7月, 東京) 講演予稿集 : 125. 研究発表ペーパー・要旨(全国大会,その他学術会議) 125 -125 2005年07月 [査読有り]
  • 鍔本武久 Clinical Calcium 15 (6) 135 -138 2005年05月
  • T Nishimura, M Takai, T Tsubamoto, N Egi, N Shigehara AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 研究発表ペーパー・要旨(国際会議) 158 -158 2005年
  • Takehisa Tsubamoto, Guillermo Rougier JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 24 (3) 122A -122A 2004年09月
  • ポンダウン霊長類(中期始新世末期;ミャンマー)の古環境.
    鍔本武久, 江木直子, 高井正成, チットセイン, マウンマウン 第20回日本霊長類学会大会 (2004年7月,犬山) 霊長類研究 20(suppl):20. 研究発表ペーパー・要旨(全国大会,その他学術会議) 20 S20 -S20 2004年07月 [査読有り]
  • 始新統ポンダウン層(ミャンマー)から産出したカリコテリウム上科の奇蹄類化石
    鍔本武久, 高井正成, 江木直子, スースラトン 日本古生物学会2004年年会 (2004年6月,北九州) 講演予稿集:43 研究発表ペーパー・要旨(全国大会,その他学術会議) 43 -43 2004年06月 [査読有り]
  • 始新統ポンダウン層(ミャンマー)からのデペレテラ科奇蹄類化石の新標本.
    鍔本武久, 高井正成, チットセイン, 江木直子 日本生物学会2004年年会 (2004年6月,北九州市) 講演予稿集:132. 研究発表ペーパー・要旨(全国大会,その他学術会議) 132 -132 2004年06月 [査読有り]
  • N. Egi, M. Takai, Soe Thura Tun, N. Shigehara, T. Tsubamoto AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 研究発表ペーパー・要旨(国際会議) 91 -92 2004年
  • M. Takai, N. Egi, T. Tsubamoto, N. Shigehara AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 研究発表ペーパー・要旨(国際会議) 192 -192 2004年
  • T Nishimura, N Shigehara, M Takai, T Tsubamoto, N Egi ANTHROPOLOGICAL SCIENCE 研究発表ペーパー・要旨(国際会議) 111 (4) 401 -401 2003年11月
  • 始新世末の陸上性哺乳類化石相の変遷について
    高井正成, 鍔本武久, 江木直子 日本進化学会第5回大会 (2003年8月, 福岡市)プログラム・要旨集 : 39. 研究発表ペーパー・要旨(全国大会,その他学術会議) 39 -39 2003年08月 [査読有り]
  • A preliminary report on the fossil suids (Mammalia, Artiodactyla) from the Upper Cenozoic Irrawaddy Formation, Myanmar
    Thaung Htike, Tsubamoto T, Takai M, Egi N, Shigehara N, Chit Sein 日本古生物学会2003年年会講演予稿集 研究発表ペーパー・要旨(全国大会,その他学術会議) 121 -121 2003年06月 [査読有り]
  • 東アジアの始新世後半における哺乳類相の変遷
    鍔本武久, 高井正成, 江木直子 日本古生物学会2003年年会 (2003年6月, 静岡) 講演予稿集 : 40 研究発表ペーパー・要旨(全国大会,その他学術会議) 40 -40 2003年06月 [査読有り]
  • 第三紀アジアにおけるヒエノドン科肉歯類の古生物地理
    江木直子, 鍔本武久, 茂原信生, 高井正成, Patricia A. Holroyd 日本古生物学会2003年年会 (Jun. 2003, 静岡) 講演予稿集 : 123. 研究発表ペーパー・要旨(全国大会,その他学術会議) 123 -123 2003年06月 [査読有り]
  • A report on the paleontological excavation in the primate-bearing Krabi basin (late Eocene; Thailand)
    Tsubamoto, T, Ratanasthien, B, Kunimatsu, Y, Nakaya, H, Udomkan, B, Silaratana, T, Thasod, Y, Hanta, R, Nakai, M 平成10年度〜平成14年度科学研究費補助金(COE;研究代表者,竹中修)研究成果報告書(III) 180 -219 2003年05月
  • Naoko Egi, Takehisa Tsubamoto, Nobuo Shigehara, Masanaru Takai JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 23 47A -47A 2003年
  • Takehisa Tsubamoto, Masanaru Takai, Naoko Egi JOURNAL OF VERTEBRATE PALEONTOLOGY 研究発表ペーパー・要旨(国際会議) 23 104A -105A 2003年
  • Biogeography of hyaenodontid creodonts in Paleogene Asia
    Egi N, Tsubamoto T, Holroyd P. A, Shigehara N, Takai M Asian Paleoprimatology 研究発表ペーパー・要旨(国際会議) 3 60 -61 2003年01月 [査読有り]
  • The Pondaung primates in relationship to the faunal transition during the middle/late Eocene in East Asia
    Takai M, Tsubamoto T, Egi N, Shigehara N International Symposium "Asian Paleoprimatology: Evolution of the Tertiary Primates in Asia" (Jan. 2003, Inuyama, Japan). 研究発表ペーパー・要旨(国際会議) 2003年01月 [査読有り]
  • 世界ザルにおける上顎洞形状の変異
    西村剛, 茂原信夫, 高井正成, 鍔本武久, 江木直子 57回日本人類学会大会 (2003年10月, 伊達市). Anthropological Scienece 111(4): 401. 2003年 [査読有り]
  • 東アジアにおける古第三紀の霊長類の進化プロセスについて
    高井正成, 鍔本武久, 江木直子, 茂原信生 第18回日本霊長類学会大会 (2002年7月, 東京) 霊長類研究 18(3): 371-371 研究発表ペーパー・要旨(全国大会,その他学術会議) 18 (3) 371 -371 2002年07月 [査読有り]
  • M Takai, N Shigehara, N Egi, T Tsubamoto AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 研究発表ペーパー・要旨(国際会議) 153 -153 2002年
  • M Takai, N Shigehara, T Tsubamoto, N Egi, AK Aung, ST Tun, T Thein, M Maung ANTHROPOLOGICAL SCIENCE 研究発表ペーパー・要旨(国際会議) 110 (1) 92 -92 2002年01月
  • N Egi, M Takai, N Shigehara, T Tsubamoto ANTHROPOLOGICAL SCIENCE 研究発表ペーパー・要旨(国際会議) 110 (1) 108 -108 2002年01月
  • N Egi, M Takai, N Shigehara, T Tsubamoto AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 研究発表ペーパー・要旨(国際会議) 66 -67 2002年
  • 荒井猫田遺跡出土の哺乳類
    茂原信生, 鍔本武久 荒井猫田遺跡(II区)--第14次発掘調査報告-- 303 -307 2002年
  • 鍔本武久, 鈴木寿志, 江木直子, 高井正成, 茂原信生 地質学雑誌 記事・総説・解説・論説等(学術雑誌) 107 (9) XVII -XVIII 2001年09月
  • M Takai, N Shigehara, T Tsubamoto, N Egi, AK Aung, ST Tun, T Thein, AN Soe, M Maung ANTHROPOLOGICAL SCIENCE 研究発表ペーパー・要旨(国際会議) 109 (1) 94 -94 2001年01月
  • 原始的真猿類を産出する始新統ポンダウン層(ミャンマー)の哺乳類化石動物群とその古環境
    鍔本武久, 高井正成, 茂原信生, 江木直子, Soe Thura Tun, Aye Ko Aung, Aung, Naing Soe, Tin Thein 日本地質学会第107年年会 (2000年9月,松江). 講演要旨 p. 25. 研究発表ペーパー・要旨(全国大会,その他学術会議) 25 -25 2000年09月 [査読有り]
  • Preliminary report on Pondaung mammalian fauna (Eocene; central Myanmar).
    Egi, N, Tsubamoto, T, Takai, M, Shigehara, N, Aye Ko Aung, Aung Naing Soe, Soe Thura Tun, Tin Thein, Maung Maung The 48th Symposium of Vertebrate Palaeontology and Comparative Anatomy (Aug. 2000, Portsmouth, UK). 研究発表ペーパー・要旨(国際会議) 2000年08月 [査読有り]
  • ポンダウン(中期始新世,ミャンマー)の化石霊長類の分類とその系統的位置について
    高井正成, 茂原信生, 鍔本武久, 江木直子, Aye Ko Aung, Soe Thura Tun, Tin Thein,Aung Naing Soe, Maung Maung 第16回日本霊長類学会大会 (2000年7月,名古屋). 霊長類研究 16 (3) : 241. 研究発表ペーパー・要旨(全国大会,その他学術会議) 16 (3) 24 -24 2000年07月 [査読有り]
  • はじめて発見されたAmphipithecusの上顎歯と前頭骨
    茂原信生, 高井正成, 鍔本武久, 江木直子, Tin Thein, Soe Thura Tun, Tin Thein,Aung Naing Soe, Maung Maung 第16回日本霊長類学会大会 (2000年7月,名古屋). 霊長類研究 16 (3) : 24 研究発表ペーパー・要旨(全国大会,その他学術会議) 16 (3) 24 -24 2000年07月 [査読有り]
  • The latest middle Eocene Primate Fauna in Pondaung area, Central Myanmar
    Takai, M, Shigehara, N, Tsubamoto, T, Egi, N, Aye Ko Aung, Tin Thein, Aung Naing Soe, Soe Thura Tun Asian Paleoprimatology 1 7 -28 2000年04月
  • A preliminary report on the Eocene mammals of the Pondaung fauna, Myanmar
    Tsubamoto, T, Egi, N, Takai, M, Shigehara, N, Aye Ko Aung, Tin Thein, Aung Naing Soe, Soe Thura Tun Asian Paleoprimatology 1 29 -101 2000年04月
  • A preliminary report on carnivorous mammals from Pondaung fauna
    Egi, N, Tsubamoto, T Asian Paleoprimatology 1 103 -114 2000年04月
  • Field notes on the fossil localities in northern Thailand visited during the field season of February 1999
    Kunimatsu, Y, Saegusa, H, Nakaya, H, Ratanasthien, B, Nagaoka, S, Tsubamoto, T Asian Paleoprimatology 1 115 -136 2000年04月
  • M Takai, N Shigehara, AK Aung, AN Soe, ST Tun, T Tsubamoto AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 研究発表ペーパー・要旨(国際会議) 298 -298 2000年
  • 御船層群の哺乳類化石
    瀬戸口烈司, 鍔本武久 熊本県重要化石分布確認調査報告「御船層群の恐竜化石」 77 -82 1998年

受賞

  • 2019年06月 日本古生物学会 学術賞
     新生代陸棲哺乳類に関する古生物学的研究 JPN japan_society 
    受賞者: 鍔本 武久

共同研究・競争的資金等の研究課題

  • 文部科学省:科学研究費補助金(基盤研究(B))
    研究期間 : 2018年04月 -2022年03月 
    代表者 : 江木 直子
  • 文部科学省:科学研究費補助金(基盤研究(A))
    研究期間 : 2016年04月 -2020年03月 
    代表者 : 中務 眞人
  • 文部科学省:科学研究費補助金(基盤研究(C))
    研究期間 : 2016年04月 -2019年03月 
    代表者 : 鍔本 武久
  • 文部科学省:科学研究費補助金(基盤研究(C))
    研究期間 : 2015年04月 -2018年03月 
    代表者 : 江木 直子
  • 文部科学省:科学研究費補助金(基盤研究(B))
    研究期間 : 2014年04月 -2018年03月 
    代表者 : 高井 正成
  • 文部科学省:科学研究費補助金(基盤研究(A))
    研究期間 : 2013年04月 -2016年03月 
    代表者 : 中務 眞人
     
    現生アフリカ類人猿とヒトを含む3属が系統分岐を起こした背景とそれらの最後の共通祖先の適応を、大型類人猿ナカリピテクスを含み豊富な霊長相が知られる後期中新世ナカリ層(ケニア)の発掘調査により分析した。現地調査により、約500点の化石標本を収集し、新たに11の化石サイトを確認し、ナカリ全域の地質図をほぼ完成させた。ナカリの霊長類はきわめて多様だが、類人猿以外はオナガザル上科もそうでないものもすべて小型である。この事は、ナカリの環境の主要部分は森林であったとする従来の仮説を支持する。現代的な霊長類相への移行はナカリ層の時代以降、環境変化とオナガザル科の放散に関連している可能性が高い。
  • 文部科学省:科学研究費補助金(若手研究(B))
    研究期間 : 2013年04月 -2016年03月 
    代表者 : 鍔本 武久
     
    霊長類・哺乳類の踵骨(足の「かかと」の骨)は化石の研究に有用であるが、踵骨形態・サイズと体重との関係や変異については詳しくわかっていなかった。そこで、標本に基づく計測統計的・形態的基礎研究を行った。踵骨研究のための計測部位について最適な箇所を決定でき、データベースを作る基礎ができた。踵骨からの体重推定においては、「後距骨関節面の幅」が非常に適していることがわかった。つまり、この「幅」は行動様式よりも体サイズにより制約されている可能性がある。また、化石哺乳類の踵骨について予備的な計測や比較・記載研究を行った。
  • 文部科学省:科学研究費補助金(基盤研究(B))
    研究期間 : 2011年04月 -2014年03月 
    代表者 : 江木 直子
     
    現生哺乳類の系統関係は分子系統解析の適用によって近年大きく再編され,生物地理と高次分類群レベルの系統関係との相関が強く示唆されたが,分子データを抽出できない絶滅分類群はこの再編から取り残されている。本課題では,絶滅哺乳類の肉歯目ヒエノドン科について,アジア産の属を中心とした系統分類の見直しと各系統群の産出範囲の再検討を行い,アジアへのアフリカ起源のグループの始新世初期までの移入やこれとは別に北半球中〜高緯度地域での拡散が複数回起きたことを明らかにした。また,体肢骨形態的特徴と古生物地理的証拠から肉歯類の近縁とされてきた食肉類との違いを示した。
  • 文部科学省:科学研究費補助金(若手研究(B))
    研究期間 : 2009年04月 -2012年03月 
    代表者 : 鍔本 武久
     
    哺乳類の距骨(足首の骨)は化石の研究に有用であるが、距骨サイズと体重との関係や変異については詳しくわかっていなかった。そこで、哺乳類・霊長類の距骨の化石を使って絶滅動物の体重を推定する式を作成した。それに基づいていくつかの化石哺乳類の体重を推定し、分類学的再検討もおこなった。また、ニホンザルの距骨の種内変異を明らかにした。種内での距骨サイズと歯サイズとの間の相関は弱かった。距骨サイズには雌雄差が認められた。
  • 文部科学省:科学研究費補助金(特別研究員奨励費)
    研究期間 : 2003年04月 -2006年02月 
    代表者 : 鍔本 武久
  • 文部科学省:科学研究費補助金(特別研究員奨励費)
    研究期間 : 1998年04月 -2001年03月 
    代表者 : 鍔本 武久

委員歴

  • 2019年04月 - 現在   松山市文化財保護審議会   委員
  • 2018年04月 - 現在   愛媛県教育委員会   西条高校スーパーサイエンスハイスクール運営指導委員
  • 2017年06月 - 現在   Paleontological Research(日本古生物学会欧文誌)   Associate Editor
  • 2017年04月 - 2018年02月   日本古生物学会 第167回例会   開催実行委員長
  • 2016年11月 - 2017年12月   2017年 日本地質学会 愛媛大会   巡検案内書 編集委員長
  • 2015年12月 - 2017年09月   2017年 日本地質学会 愛媛大会   実行委員
  • 2013年06月 - 2013年09月   第29回日本霊長類学会・日本哺乳類学会2013年度 合同大会   実行委員

担当経験のある科目

  • 地学入門愛媛大学
  • 進化古生物学愛媛大学大学院理工学研究科
  • 古生態学岡山理科大学生物地球学部
  • 地球環境学特論愛媛大学理学部
  • 地球科学野外実習II愛媛大学理学部
  • 最新地球惑星科学愛媛大学理学部
  • 地球科学野外研究愛媛大学理学部
  • 地質調査法実習愛媛大学理学部
  • 地球科学野外実習I愛媛大学理学部
  • 基礎地学実験愛媛大学理学部
  • 地学I(=地球科学I)愛媛大学理学部

愛媛大学教員活動実績

教育活動(B)

担当授業科目(B01)

  • 2019, 前期, 学部, 地学入門
  • 2019, 前期, 学部, 地学入門
  • 2019, 前期, 学部, 地学Ⅰ
  • 2019, 前期, 学部, 地球科学野外実習Ⅰ
  • 2019, 前期, 学部, 地質調査法実習
  • 2019, 前期, 学部, 地球科学野外研究
  • 2019, 前期, 学部, 基礎地学実験
  • 2019, 前期, 学部, 基礎地学実験
  • 2019, 前期, 修士, 地球科学高等実験Ⅰ
  • 2019, 前期, 修士, 地球科学高等実験Ⅴ
  • 2019, 前期, 修士, 地球科学フィールド高等実習Ⅰ
  • 2019, 前期, 修士, 地球科学フィールド高等実習Ⅲ
  • 2019, 前期, 修士, 地球科学プレゼンテーション特別実習Ⅰ
  • 2019, 前期, 修士, 地球科学プレゼンテーション特別実習Ⅲ
  • 2019, 前期, 修士, 地球科学ゼミナールⅠ
  • 2019, 前期, 修士, 地球科学プレゼンテーション特別実習Ⅱ
  • 2019, 前期, 修士, 地球科学フィールド高等実習Ⅱ
  • 2019, 前期, 修士, 地球科学高等実験Ⅲ
  • 2019, 前期, 学部, 基礎地学実験
  • 2019, 前期, 学部, 地球科学野外実習I
  • 2019, 前期, 学部, 地質調査法実習
  • 2019, 前期, 学部, 地球科学野外研究


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