A new species of Ancistrolepis (Gastropoda : Buccinidae) from the Iwaki Formation (lower Oligocene) of the Joban coal field, northern Japan

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概要

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• Ancistrolepis (Ancistrolepis) iwakiensis sp. nov. from the lower Oligocene of the Joban coal field, northern Japan closely resembles both Ancistrolepis (A.) matchgarensis (Makiyama) from the upper Eocene to Oligocene of Sakhalin and Ancistrolepis (A.) rategiensis Titova from the upper Eocene of northwestern Kamchatka. A. (s.s.) iwakiensis sp. nov. documents an early evolutional history of Ancistrolepis (s.s.) that appeared in the northwestern Pacific during late Eocene time.

• 日本古生物学会の論文
• 2000-06-30

著者

• Honda Yutaka

  Department Of Earth Science Mie University

関連論文

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• Cyclocardia oyamai Kafanov, Ogasawara and Amano, 1999, invalid, preceded by Cyclocardia poronaiensis Honda, 1989
• Paleobiogeographic significance of Trominina hokkaidoensis (Hayasaka and Uozumi)(Gastropoda : Buccinidae) from the basal part of the Tanami Formation (Oligocene) of the Kii Peninsula, southern Japan
• A new species of Ancistrolepis (Gastropoda : Buccinidae) from the Iwaki Formation (lower Oligocene) of the Joban coal field, northern Japan
• 19. VENERICARDIA (CYCLOCARDIA) TAKEDAI, NEW NAME FOR VENERICARDIA (CYCLOCARDIA) ELLIPTICA TAKEDA, 1953 (PREOCCUPIED)

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