1005 Fossil Mollusca of the Lower Miocene Yotsuyaku Formation in the Ninohe district, Iwate Prefecture, Northeast Japan : Part 2 (2). Gastropoda

TAKASHI MATSUBARA

doi:10.14825/prpsj1951.1996.181_361

Transactions and proceedings of the Paleontological Society of Japan. New series

Online ISSN : 2186-0963
Print ISSN : 0031-0204
ISSN-L : 0031-0204

1005 Fossil Mollusca of the Lower Miocene Yotsuyaku Formation in the Ninohe district, Iwate Prefecture, Northeast Japan : Part 2 (2). Gastropoda

TAKASHI MATSUBARA

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Keywords: Yotsuyaku Formation, Lower Miocene, Gastropoda, systematic descriptions, Tateiwaia chinzeii and "Ocenebra" katayamai sp. nov.

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1996 Volume 1996 Issue 181 Pages 361-374

DOI https://doi.org/10.14825/prpsj1951.1996.181_361

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Abstract

Fifteen species of Gastropoda, obtained from the Koiwai Mudstone, Sandstone and Conglomerate Member of the Yotsuyaku Formation, are described herein. Of these, two, Tateiwaia chinzeii and "Ocenebra" katayamai, are described as new species.

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