Miocene mollusks from the Kumano Group of the Ukui area, southeastern part of the Kii Peninsula, southwestern Honshu, Japan

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概要

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• The Shimosato Formation comprises the lower part of the Kumano Group of the southeastern Kii Peninsula, southwestern Honshu. It yields such mollusks as Saccella miensis (Araki), Cyclocardia siogamensis (Nomura), Macoma (Macoma) izurensis (Yokoyama), Cultellus izumoensis Yokoyama, Dosinia (Phacosoma) nomurai (Otuka), Periploma (Aelga) mitsuganoense Araki, Thracia watanabei ltoigawa and Shibata, Turritella (Hataiella) sagai Kotaka, and Fulgoraria (Musashia) yanagidaniensis Araki. The Periploma-Saccella-Cyclocardia and Turritella-Dosinia assemblages of the Shimosato Formation are inferred to represent lower sublittoral to bathyal and sublittoral environments, respectively. The fauna of the Shimosato Formation is comparable with the subtropical Akeyo Fauna of late Early Miocene age, based on the occurrence of diagnostic species such as Dosinia (Phacosoma) kawagensis Araki, Thracia watanabei ltoigawa and Shibata, Turritella sagai, and Fulgoraria yanagidaniensis. The assemblages of the middle part of the Shikiya Formation and the lower part of the Mitsuno Formation are comparable with those of the tropical Kurosedani (subtropical Kadonosawa) Fauna of latest Early to earliest Middle Miocene age.

• 日本古生物学会の論文
• 1998-04-30

著者

• Honda Y

  Mie Univ. Tsu Jpn

• Honda Yutaka

  Department Of Earth Sciences Faculty Of Education Mie University

• USHIRO SEISUKE

  Shingu Senior High School attached to Kinki University

• MORITANI SAYURI

  Yasusaka 1010, Nakagawara-cho, Sumoto

• Honda Yutaka

  Department Of Earth Science Mie University

• Moritani Sayuri

  Yasusaka 1010 Nakagawara-cho Sumoto

• Honda Yutaka

  Department of Applied Chemistry, Faculty of Engineering, Keio University

関連論文

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