Paleontology Research Laboratory in Tokyo


Original Research Articles

16. Miyata, S., Hirayama, R., Nakajima, Y., Maekawa, Y., Okura, M., Sasaki, T., 2019. A preliminary report of elasmobranch fossils from the Upper Cretaceous Tamagawa Formation(Turonian-Santonian/Coniasian), Kuji Group, Iwate Prefecture, Northeast Japan. Journal of Fossil Research, Vol. 51, 68-75 (in Japanese with English abstract).

15. Houssaye, A., Sander, P. M., Nakajima, Y., 201X. Structural, functional, and physiological signals in ichthyosaur vertebral centrum microanatomy and histology. Geodiversitas, in press

14. Wintrich, T., Hayashi, S., Houssaye, A., Nakajima, Y., Sander, P. M., 2017. A Triassic plesiosaurian skeleton and bone histology inform on evolution of a unique body plan. Science Advances, 3(12), e1701144

13. Nakajima, Y., Danilov, I. G., Hirayama, R., Sonoda, T. and Scheyer, T. M., 2017. Morphological and histological evidence for the oldest known softshell turtles from Japan. Journal of Vertebrate Paleontology, in press

12. Vitek, N., Danilov, I. G., Nakajima, Y. and Hirayama, R. 2017. Redescription of the skull of ‘Trionyx’ kyrgyzensis and improved phylogenetic taxon sampling of Cretaceous and Paleogene soft-shelled turtles (Trionychidae) of Asia, including the oldest crown trionychids. Journal of Systematic Paleontology, in press

11. Nakajima, Y., 2017. Turtle bone histology illuminate a new perspective on paleoecological reconstruction. Journal of Fossil Research, 50, p. 2227 (in Japanese).

10. Kanno, S., Nakajima, Y., Hikida, Y. and Sato, T., 2017. Sphenodus (Chondrichthyes, Neoselachii) from the Upper Cretaceous in Nakagawa Town, Hokkaido, Japan. Paleontological Research, in press.

9. Shigeta, Y. and Nakajima, Y., 2017. Discovery of the early Spathian (late Olenekian, Early Triassic) ammonoid Tirolites in the Hiraiso Formation, South Kitakami, Northeast Japan. Paleontological Research, 21, p. 37–43.

8. Nakajima, Y., Hirayama, R. and Endo, H. 2014. Turtle humeral microanatomy and its relationship to lifestyle. Biological Journal of Linnean Society, 113, p. 719–734.

7. Nakajima, Y., Houssaye, A. and Endo, H. 2014. Osteohistology of the ichthyopterygian reptile Utatsusaurus hataii: Implications for early ichthyosaur biology. Acta Paleontologica Polonica 59, p. 343–352.

6. Takahashi Y., Nakajima Y. and Sato, T. 2014. A new Early Triassic ichthyopterygian fossil from the Osawa Formation in Minamisanriku Town, Miyagi Prefecture, Japan. Paleontological Research 18, p. 258–262.

5.  Nakajima, Y. and Izumi, K., 2014. Coprolites from the upper Osawa Formation (upper Spathian), northeastern Japan: Evidence for predation in a marine ecosystem 5 Myr after the end-Permian mass extinction. Palaeogeography, Palaeoclimatology, Palaeoecology, 414, p. 225–232.

4. Hayashi, S., Houssaye, A., Nakajima, Y., Chiba, K., Ando, T., et al., 2013, Bone inner structure suggests increasing aquatic adaptations in Desmostylia (Mammalia, Afrotheria). PLoS ONE vol. 8: e59146. doi:10.1371/journal.pone.0059146

3. Nakajima, Y. and Endo, H., 2013. Comparative humeral microanatomy of terrestrial, semiaquatic, and aquatic carnivorans using micro–focus CT scan. Mammal Study 38, p. 1–8.(Mammal Study Award)Nakajima, Y. and Schoch, R. R., 2011. The first temnospondyl amphibian from Japan. Journal of Vertebrate Paleontology 31, p. 1154–1157.

2. Nakajima, Y. and Schoch, R. R., 2011. The first temnospondyl amphibian from Japan. Journal of Vertebrate Paleontology 31, p. 1154–1157.

1. Nakajima, Y., Sakurai, K. and Hirayama, R. 2011. Turtle fossils from Hobetsu Museum. The Bulletin of the Hobetsu Museum 26, p. 1–34.

Conference Abstracts

under preparation

© 2017 by Yasuhisa Nakajima created with

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