A New Miocene Gobiiform Fish, Odontobutis hayashitokuei from Iki, Nagasaki, Japan

Yoshitaka Yabumoto; Chunguang Zhang

doi:10.2517/PR210039

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Yoshitaka Yabumoto,¹ Chunguang Zhang²

¹Department of Natural History, Kitakyushu Museum of Natural History and Human History, 2-4-1, Higashida, Yahatahigashi-ku, Kitakyushu, Fukuoka 805-0071, Japan (e-mail: )
²Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing 100101, P. R. China

Abstract

A new gobiiform fish Odontobutis hayashitokuei sp. nov. is decribed from middle Miocene freshwater deposits of the Chojabaru Formation in Iki Island, Nagasaki, Japan based on a single specimen. This new species differs from other species of the genus Odontobutis in having 21 caudal vertebrae and a smaller head. Odontobutis hayashitokuei sp. nov. is most similar to O. obscura in having almost the same position of dorsal and anal fins. This is the first fossil species of the genus Odontobutis and suggests that the origin of the genus extends to the middle Miocene, about 15 Ma.

Citation Download Citation

Yoshitaka Yabumoto and Chunguang Zhang "A New Miocene Gobiiform Fish, Odontobutis hayashitokuei from Iki, Nagasaki, Japan," Paleontological Research 27(4), 383-395, (1 March 2023). https://doi.org/10.2517/PR210039

Received: 29 December 2021; Accepted: 26 June 2022; Published: 1 March 2023

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