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Occurrence of Aturia coxi (Cephalopoda: Nautilida) from the uppermost Miocene of Japan and its implication for late Miocene marine climate in the northwestern Pacific

Published online by Cambridge University Press:  20 May 2016

Tomowo Ozawa  and
Susumu Tomida
Tomowo Ozawa
Affiliation:
Department of Earth and Planetary Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-01
Susumu Tomida
Affiliation:
Department of Management, Chukyogakuin University, Nakatsugawa, Gifu 509-91, Japan
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Abstract

The description of a specimen of Aturia coxi from the uppermost Miocene of central Japan provides additional data on this poorly known Neogene species. Aturia coxi Miller is the youngest representative of this nautiloid genus, which is known from the middle to upper Miocene formations of the Indo-Western Pacific and became extinct at the end of Miocene. In addition to the presence of Aturia coxi, the abundance of tropical and subtropical benthic molluscs indicates that tropical molluscan faunas invaded mid-latitude waters around Japan in the latest Miocene. The extinction of Aturia and other Miocene molluscan genera marks the end of the Miocene Epoch.

Type
Research Article
Information
Journal of Paleontology , Volume 70 , Issue 5 , September 1996 , pp. 795 - 798
Copyright
Copyright © The Paleontological Society 

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