Middle Permian foraminifers of Kaize, southern part of the Saku Basin, Nagano prefecture, central Japan

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概要

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• 52 species assignable to 39 genera of Middle Permian (Midian in the Tethyan standard scale) foraminifers are distinguished in the limestone blocks exposed in Kaize, southern part of the Saku Basin, Nagano prefecture, central Japan. Faunal composition and biostratigraphic distribution of these taxa are described and discussed, in addition to systematic description of eleven species including Yabeina kaizensis based on the topotype materials. The ozawainellid genus, Primoriina is concluded to be probably a junior synonym of Sichotenella. The Kaize fauna is represented by (1) abundant occurrence of Yabeina kaizensis and Yabeina higoensis, (2) complete absence of genera assignable to Verbeekinidae and Staffellidae, (3) variable non-fusulinacean foraminifers consisting of 39 species assignable to 31 genera, and (4) occurrence of Robuloides, Dagmarita, and Postendothyra, characteristic of the Tethyan Upper Permian. These foraminifers are important paleogeographically in relation to the faunal composition and taxonomic diversity of the Tethyan and Circum-Pacific regions in the late Middle Permian time.

• 日本古生物学会の論文
• 2006-09-30

著者

• KOBAYASHI FUMIO

  Institute of Natural and Environmental Sciences, University of Hyogo

• Kobayashi Fumio

  Institute Of Natural And Environmental Sciences University Of Hyogo

• Kobayashi Fumio

  Institute Of Natural And Environmental Sciences Himeji Institute Of Technology

関連論文

• Middle Permian (Midian) foraminifers of the Kamiyasse Formation in the Southern Kitakami Terrane, NE Japan
• Middle Permian foraminifers of the Izuru and Nabeyama Formations in the Kuzu area, Tochigi Prefecture, Japan : Part 1. Schwagerinid, neoschwagerinid, and verbeekinid fusulinoideans
• Late Paleozoic and Mesozoic foraminifers contained in limestone fragments of the Kamade Breccia of the Upper Cretaceous Aioi Group from Kamade, northeastern part of Aioi, Hyogo, Japan
• Middle Permian foraminifers of Kaize, southern part of the Saku Basin, Nagano prefecture, central Japan
• Foraminiferal fauna and lithofacies of Middle Permian limestone blocks in the middle course of Kuma River (Osakama), southern margin of the Chichibu Terrane in west Kyushu, Japan
• Carboniferous and Permian foraminifers from limestone fragments contained in the Upper Cretaceous Hiromine Formation in north of Himeji, Hyogo, Japan
• Early Anisian (Triassic) foraminifers from the Hiraki Formation of the Maizuru Terrane in the Tatsuno-Aioi area, Hyogo Prefecture, Japan
• Lithology and foraminiferal fauna of allochthonous limestones (Changhsingian) in the upper part of the Toyoma Formation in the South Kitakami Belt, Northeast Japan
• Middle Permian foraminifers of the Izura and Nabeyama Formations in the Kuzu area, central Japan : Part 2. Schubertellid and ozawainellid fusulinoideans, and non-fusulinoidean foraminifers

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