Description of a Titanosauriform (Sauropoda, Dinosauria) Cervical Vertebra from the Lower Cretaceous Kanmon Group, Southwestern Japan

Jun-Ichiro Tatehata; Toshifumi Mukunoki; Kyo Tanoue

doi:10.2517/PR220009

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Jun-Ichiro Tatehata,¹ Toshifumi Mukunoki,² Kyo Tanoue³

¹Okeisha Co. Ltd., 90-7 Nishiminato-machi, Kokurakita-ku, Kitakyushu 803-0801, Japan
²Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
³Department of Earth System Science, Faculty of Science, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan (e-mail: )

Abstract

A fragmentary and the largest single bone element from the Lower Cretaceous Kanmon Group in Kyushu Island, southwestern Japan reported yet to date is described. This specimen has a fossa and lenticular foramen on its lateral surface and internal chambers of both large and small sizes. It was identified as the cervical vertebra of a titanosauriform sauropod dinosaur mainly based on such pneumatic structure. This specimen represents the first titanosauriform to be described from the Kanmon Group.

Citation Download Citation

Jun-Ichiro Tatehata, Toshifumi Mukunoki, and Kyo Tanoue "Description of a Titanosauriform (Sauropoda, Dinosauria) Cervical Vertebra from the Lower Cretaceous Kanmon Group, Southwestern Japan," Paleontological Research 27(3), 350-358, (4 January 2023). https://doi.org/10.2517/PR220009

Received: 25 March 2022; Accepted: 14 May 2022; Published: 4 January 2023

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