Yoshitsugu Kobayashi

J-GLOBAL         Last updated: Apr 4, 2019 at 16:01
Yoshitsugu Kobayashi
Hokkaido University
The Hokkaido University Museum

Research Areas


Published Papers

Nest substrate reflects incubation style in extant archosaurs with implications for dinosaur nesting habits.
Tanaka, K., Zelenitsky, D., Therrien, F., and Kobayashi, Y.
Scientific Reports   8 3170   2018   [Refereed]
Comparative limb propotions reveal differential locomotor morphofunctions of alligatoroids and crocodyloids.
Iijima, M., Kubo, T., and Kobayashi, Y.
Royal Society Open Science   5 171774   2018   [Refereed]
Iijima, M., Momohara, A., Kobayashi, Y., Hayashi, S., Ikeda, T., Taruno, H., Watanabe, K., Tanimoto, M., and Furui, S.
Palaeogeography, Palaeoclimatology, Palaeoecology   496 346-360   2018   [Refereed]
The oldest Asian hesperornithiform from the Upper Cretaceous of Japan, and the phylogenetic reassessment of Hesperornithiformes.
Tanaka, T., Kobayashi, Y., Kurihara, K., Fiorillo, A., and Kano, M.
Journal of Systematic Palaeontology   1-21   2017   [Refereed]
Zelenitsky, D., Therrien, F., Tanaka, K., Kobayashi, Y., and Debuhr, C.
Cretaceous Research   74 181-187   2017   [Refereed]
Lee, H., Lee, Y., Adams, T., Currie, P., Kobayashi, Y., Jacobs, L. and Koppelhus, E.
Palaeogeography, Palaeoclimatology, Palaeoecology   494 160-167   2017   [Refereed]
Chinzorig, T., Kobayashi, Y., Tsogtbaatar, K., Currie, P., Takasaki, R., Tanaka, T., Iijima, M., and Barsbold, R.
Palaeogeography, Palaeoclimatology, Palaeoecology   494 91-100   2017   [Refereed]
Paulina-Carabajal, A., Lee, Y., Kobayashi, Y., Lee, H., and Currie, P.
Palaeogeography, Palaeoclimatology, Palaeoecology   494 135-146   2017   [Refereed]
Nakajima, J., Kobayashi, Y*., Chinzorig, T. Tanaka, T., Takasaki, R., Tsogtbaatar, K., Currie, P., and Fiorillo, A.
Palaeogeography, Palaeoclimatology, Palaeoecology   494 147-159   2017   [Refereed]
First ornithomimid (Theropoda, Ornithomimosauria) from the Upper Cretaceous Djadokhta Formation of Togrogiin Shiree, Mongolia.
Chinzorig, T., Kobayashi, Y., Tsogtbaatar, K., Currie, P., Watabe, M., and Barsbold, R.
Scientific Reports   7 5835   2017   [Refereed]
High diversity of the Ganzhou Oviraptorid Fauna increased by a new “cassowary-like” crested species.
L_, J., Li, G., Kundr_t, M., Lee, Y., Sun, Z., Kobayashi, Y., Shen, C., Teng, F., and Liu, H.
Scientific Reports   7 6393   2017   [Refereed]
Reanalysis of the phylogenetic status of Nipponosaurus sachalinensis (Ornithopoda: Dinosauria) from the Late Cretaceous of Southern Sakhalin.
Takasaki, R. Chiba, K., Kobayashi, Y., Currie, P., and Fiorillo, A.
Historical Biology   1-18   2017   [Refereed]
Iijima, M. Takahashi, K., and Kobayashi, Y.
Journal of Asian Earth Sciences   124 94-101   2016   [Refereed]
Jacobs, L., Flynn, L., Kimura, Y., Kobayashi, Y., Wang, X. Qiu, Z., Jin, C., Zhang, Y., Taylor, L., Kohno, N., and Winkler, A. J.
Historical Biology   28 1-7   2016   [Refereed]
Chiba, K., Fiorillo, A., Jacobs, L., Kimura, Y., Kobayashi, Y., Kohno, N., Nishida, Y., Polcyn, M., and Tanaka, K.
Historical Biology   28 289-303   2016   [Refereed]
L_, J., Pu, H., Kobayashi, Y., Xu, L., Chang, H., Shang, Y., Liu, D., Lee, Y., Kundr_t, M., and Shen, C.
Scientific Reports   5 11490   2015   [Refereed]
Chiba, K., Michael J. Ryan, M. J., Braman, D. R., Eberth, D. A., Scott, E. E., Brown, C. M., Kobayashi, Y., and Evans, D. C.
Palaios   655-667   2015   [Refereed]
Lee YN, Barsbold R, Currie PJ, Kobayashi Y, Lee HJ, Godefroit P, Escuillié F, Chinzorig T
Nature   515(7526) 257-260   Nov 2014   [Refereed]
Cullen TM, Evans DC, Ryan MJ, Currie PJ, Kobayashi Y
BMC evolutionary biology   14 231   Nov 2014   [Refereed]
Theropod tracks from the Lower Cantwell Formation (Upper Cretaceous) of Denali National Park, Alaska, USA with comments on theropod diversity in an ancient, high-latitude terrestrial ecosystem.
Fiorillo, A. R., Contessi, M., and Kobayashi, Y.
Bulletin of New Mexico Museum of Natural History and Science   429-439   2014   [Refereed]
Post-natal parental care in a Cretaceous diapsid from northeastern China.
L_, J., Kobayashi, Y., Deeming, D. C., and Liu, Y.
Geosciences Journal   1-8   2014   [Refereed]
Pterosaur tracks from the Lower Cantwell Formation (Campanian-Maastrichtian) of Denali National Park, Alaska, USA, with comments about landscape heterogeneity and habit preferences.
Fiorillo, A. R., Kobayashi, Y., McCarthy, P. J., Wright, T. C., Tomsich, C., S.
Historical Biology   1-12   2014   [Refereed]
Fiorillo, A. R., Hasiotis, S. T., and Kobayashi, Y.
Geology   42 719-722   2014   [Refereed]
Iijima, M. and Kobayashi, Y.
Paleobiology   40 608-624   2014   [Refereed]
Pu H, Kobayashi Y, Lü J, Xu L, Wu Y, Chang H, Zhang J, Jia S
PloS one   8(5) e63423   2013   [Refereed]
Zelenitsky DK, Therrien F, Erickson GM, DeBuhr CL, Kobayashi Y, Eberth DA, Hadfield F
Science (New York, N.Y.)   338(6106) 510-514   Oct 2012   [Refereed]
Lee YN, Ryan MJ, Kobayashi Y
Die Naturwissenschaften   98(1) 39-49   Jan 2011   [Refereed]
Tanaka, K., L_, J., Liu, Y., Huang, Z., Kobayashi, Y., Huang, D., and Zelenitsky, D. K.
Acta Geologica Sinica   86 294-303   2011   [Refereed]
Redescription of Saichania chulsanensis (Ornithischia, Ankylosauridae) from the Upper Cretaceous of Mongolia.
Carpenter, K., Hayashi, S., Kobayashi, Y., Maryanska, T., Barsobold, R., Sato, K. and Obata, I.
Palaeontographica Abteilung A-Palaozoologie-Stratigraphie   1 1-61   2011   [Refereed]
CT reconstruction and relationships of the Early Cretaceous tribosphenidan mammal, Slaughteria eruptens (Trinity Groups, Texas, USA).
Winkler, D. A., Jacobs, L. L., Kobayashi, Y., and Polcyn, M.
Palaeontologia Electronica   14 1-13   2011   [Refereed]
Description and phylogenetic position of dinosaur eggshells from the Luanchuan area of Western Henan Province, China.
Tanaka, K., L_, J., Kobayashi, Y., Zelenitsky, D. K., Xu, L., Jia, S., Qin, S., and Tang, M.
Acta Geologica Sinica   85 66-74   2011   [Refereed]
Xu, L., Kobayashi, Y.*, L_, J., Lee, Y.-N., Liu, Y., Tanaka, K., Zhang, X., Jia, S., Zhang, J.
Cretaceous Research   32 213-222   2011   [Refereed]
Preliminary report of terrestrial vertebrates from the Late Cretaceous Tamagawa Formation of the Kuji Group of Kuji City, Iwate Prefecture, northeastern Japan.
Hirayama, R., Kobayashi, Y., Sonoda, T., and Sasaki, K.
Journal of Fossil Research   42 74-82   2010   [Refereed]
A new basal sauropod dinosaur from the Lufeng Basin, Yunnan Province, southwestern China.
L_, J., Kobayashi, Y., Li, T., Zhong, S.
Acta Geologica Sinica   84 1336-1342   2010   [Refereed]
Fiorillo, A. R.,_Hasiotis, S. T.,_Kobayashi, Y.,_Breithaupt, B. H.,_Paul J. McCarthy, P. J.
Journal of Systematic Palaeontology   9 33-49   2010   [Refereed]
Zelenitsky DK, Therrien F, Kobayashi Y
Proceedings. Biological sciences / The Royal Society   276(1657) 667-673   Feb 2009   [Refereed]
Balanoff, A. M., Xu, X., Kobayashi, Y., Matsufune, Y., and Norell,, M. A.
American Museum Novitates   3651 1-35   2009   [Refereed]
L_, J., Kobayashi, Y., Lee, Y., and Ji, Q.
Geological Magazine   146 690-700   2009   [Refereed]
Fiorillo, A., Hasiotis, S., and Kobayashi, Y.
Palaios   24 466-472   2009   [Refereed]
Assignment of Yamaceratops dorngobiensis and associated redbeds at Shine Us Khudag (eastern Gobi, Dorngobi Province, Mongolia) to the redescribed Javkhlant Formation (Upper Cretaceous).
Eberth, D. A., Kobayashi, Y., Lee, Y. N., Mateus, O., Therrien, F., Zelenitsky, D. K., and Norell, M. A.
Journal of Vertebrate Paleontology   29 295-302   2009   [Refereed]
Evolution of dentary diastema in iguanodontian dinosaurs.
Kubota, K. and Kobayashi, Y.
Acta Geologica Sinica   83 39-45   2009   [Refereed]
Lee, Y.-N., Lee, H.-J., L_, J., and Kobayashi, Y.
Cretaceous Research   29 345-353   2008   [Refereed]
Chemosynthesis-based associations on Cretaceous plesiosaurid carcasses.
Kaim A., Kobayashi, Y,. Echizenya, H., Jenkins, R.G., and Tanabe, K.
Acta Palaeontologica Polonica   53 97-104   2008   [Refereed]
Phylogenetic position of Ornithomimosauria in Coelurosauria with comments on the relationship of ornithomimosaurs and alvarezsaurids.
Kobayashi, Y.
Journal of Fossil Research   41 25-32   2008   [Refereed]
L_, J., Kobayashi, Y., Lee, Y., and Ji, Q.
Cretaceous Research   28 272-276   2007   [Refereed]
Dinosaurs from Japan
Kobayashi, Y., Manabe, M., Ikegami, N., Tomida, Y., and Hayakawa, H.
Papers from the 2005 Heyuan International Dinosaur Symposium. Beijing, Geological Publishing House   87-102   2006   [Refereed]
Anatomy of Japanese tomistomine crocodylian, Toyotamaphimeia machikanensis (Kamei et Matsumoto, 1965), from the Middle Pleistocene of Osaka Prefecture: the reassessment of its phylogenetic status within Crocodylia.
Kobayashi, Y., Tomida, Y., Kamei, T., and Eguchi, T.
National Science Museum Monographs   35 1-121   2006   [Refereed]
Ornithomimids from the Nemegt Formation of Mongolia.
Kobayashi, Y. and Barsbold, R.
Journal of Paleontological Society of Korea   22 195-207   2006   [Refereed]
Anatomy of Harpymimus okladnikovi Barsbold and Perle, 1984 (Dinosauria; Theropoda) of Mongolia
Kobayashi, Y. and Barsbold, R.
Carnivorous Dinosaurs. Bloomington, Indiana University Press   97-126   2005   [Refereed]
SEM Observation of the wing membrane of Beipiaopterus chenianus (Pterosauria).
L_, J., Kobayashi, Y., Yuan C., Ji, S., and Ji, Q.
Acta Geologica Sinica   79 766-769   2005   [Refereed]
Kobayashi, Y. and Barsbold, R.
Canadian Journal of Earth Sciences   42 1501-1521   2005   [Refereed]
Makovicky, P., Kobayashi, Y., and Currie, P.
The Dinosauria. 2nd ed. Berkeley, University of California Press   137-150   2004   [Refereed]
hylogeny of Ornithomimosauria and its paleobiogeographic implications.
Kobayashi, Y. and Barsbold, R.
Proceedings of the XIXth International Congress of Zoology, China   50-52   2004   [Refereed]
Phylogeny of Ornithomimosauria and its paleobiogeographic implications.
Kobayashi, Y. and Barsbold, R.
Proceedings of the XIXth International Congress of Zoology, China   50-52   2004   [Refereed]
A new ornithomimid dinosaur with gregarious habits from the Late Cretaceous of China.
Kobayashi, Y. and L_, J.
Acta Paleontologica Polonica   48 235-259   2003   [Refereed]
A new iguanodontian (Dinosauria: Ornithopoda) from the Lower Cretaceous Kitadani Formation in Fukui Prefecture, Japan.
Kobayashi, Y. and Azuma, Y.
Journal of Vertebrate Paleontology   23 194-202   2003   [Refereed]
Kobayashi Y, Winkler DA, Jacobs LL
Proceedings. Biological sciences / The Royal Society   269(1489) 369-373   Feb 2002   [Refereed]
Computed tomography of an anolis lizard in Dominican amber: systematic, taphonomic, biogeographic, and evolutionary implications.
Polcyn, M., Rogers, J., Kobayashi, Y., and Jacobs, L.
Palaeontologia Electronica   5(1) 1-13   2002   [Refereed]
Biogeographic histories and chronologies of derived iguanodontians.
Head, J. and Kobayashi, Y.
VII International Symposium on Mesozoic Terrestrial Ecosystems, Argentina   107-111   1999   [Refereed]
The preliminary study of the dinosaur footprints from Huangshan, Anhui Province.
Yu, X., Kobayashi, Y., and L_, J.
Vertebrata Palasiatica   37 285-290   1999   [Refereed]
A new species of Ikechosaurus (Reptilia: Choristodera) from the Jiufutang Formation (Early Cretaceous) of Chifeng City, Inner Mongolia.
L_, J., Kobayashi, Y., and Li, Z.
Bulletin de l’Institut Royal des Sciences Naturelles Belgique   37-47   1999   [Refereed]
Herbivorous diet in an ornithomimid dinosaur
Kobayashi, Y., Lü, J., Dong, Z., Barsbold, R., Azuma, Y., and Tomida, Y.
Nature   402 480-481   1999   [Refereed]


TANAKA Tomonori, KOBAYASHI Yoshitsugu
Jpn. J. Ornithol.   67(1) 57-68   2018
Hesperornithiformes were toothed, foot-propelled diving birds and among the most widely distributed groups of birds in the Cretaceous (Late Albian to Maastrichtian) in the Northern Hemisphere. The first species of this group, Hesperornis regali...
Jpn. J. Ornithol.   67(1) 25-40   2018
Archosaurs (e.g., crocodilians, pterosaurs, and dinosaurs including birds) are the most diverse and successful clade of terrestrial vertebrates. An understanding of the nesting methods and behaviors of both extinct (e.g., non-avian dinosaurs) and ...
日本古生物学会例会講演予稿集   164th 18   Jan 2015
日本古生物学会例会講演予稿集   164th 21   Jan 2015
日本古生物学会例会講演予稿集   164th 39   Jan 2015

Research Grants & Projects

Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2006 - 2009    Investigator(s): Yoshitsugu KOBAYASHI
This study provides informative data to elucidate the evolutionary processes of body and brain from non-avian dinosaurs to birds and the transition of these animals. Specifically, a part of this study focused on large scaled morphology, such as th...