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Eocene ostracodes from the Iojima Group, Nagasaki Prefecture, southwestern Japan

Published online by Cambridge University Press:  20 May 2016

Tatsuhiko Yamaguchi*
Affiliation:
Department of Geology, Faculty of Science, Niigata University, 8050 Ikarashi 2nocho, Niigata City 950-2181, Japan

Abstract

Eocene ostracodes are described from the Japanese Islands for the first time. These ostracodes, from the Iojima Group in southwestern Japan, are represented by cosmopolitan and low- to midlatitudinal paleobiogeographic groups as well as an endemic group. Based on the distributions of selected genera, the ostracode fauna of the Iojima Group has tropical to subtropical affinities, affirming links with the Tethys Sea. Six species are described as new: Cytheropteron liue, Eopaijenborchella kamiyai, Eopaijenborchella okinoshimaensis, Ambtonia? matsubarai, Paracypris? kuritai, and Trachyleberis? funatsuensis.

Type
Research Article
Copyright
Copyright © The Paleontological Society 

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