Lamnimargus, Megousia and Eolyttonia (Productida, Brachiopoda) from the Upper Permian (Changhsingian) of the Kawahigashi area, Maizuru Belt, southwest Japan, and their palaeobiogeographical significance
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概要
- 論文の詳細を見る
Some productoid brachiopods of the Late Permian Kawahigashi fauna, originally described by Shimizu (1961a) from the upper part of the Maizuru Group in the Kawahigashi area, Kyoto Prefecture, Maizuru Belt, southwest Japan, are herein reexamined and systematically redescribed as Lamnimargus japonicus, Megousia sp. and Eolyttonia sp. All of the brachiopods, as well as the Middle to Late Permian foraminifers from the upper Maizuru Group in the Kawahigashi area, are reworked fossils, derived from shallow marine continental shelf to a deep-sea basin by sediment-gravity flows in the Late Permian (Changhsingian). The Kawahigashi fauna is a typical Boreal-Tethyan mixed fauna, with Lamnimargus and Megousia as the Boreal elements, and Eolyttonia as the Tethyan element. The Maizuru Belt of southwest Japan, including the Kawahigashi area, was probably located in the transitional zone of the Boreal-Tethyan realms, which was developed along the eastern margin of North China (Sino-Korea) in the Late Permian (Changhsingian).
- 新潟大学の論文
- 2006-03-31
著者
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TAZAWA JUN-ICHI
Department of Geology, Faculty of Science, Niigata University
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Tazawa Jun-ichi
Department Of Geology Faculty Of Science Niigata University
関連論文
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