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1 July 2017 Middle Permian (Wordian) Mixed Boreal—Tethyan Brachiopod Fauna from Matsukawa, South Kitakami Belt, Japan
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Abstract

A middle Permian (Wordian) brachiopod fauna, consisting of 19 species in 18 genera, is described from the lower part of the Kamiyasse Formation in Matsukawa, South Kitakami Belt, northeastern Japan. The Matsukawa fauna is a mixed Boreal—Tethyan brachiopod fauna that shows strong affinities with the middle Permian (Wordian—Capitanian) brachiopod faunas of central Japan (Hida Gaien Belt), eastern Russia (South Primorye), northeastern China (Heilongjiang), northern China (Inner Mongolia) and northwestern China (Xinjiang). The palaeobiogeographical data suggest that Proto-Japan, including South Kitakami, was part of a continental shelf along the northern and eastern margins of North China, located in the mid-latitudes of the Northern Hemisphere during the middle Permian (Wordian).

© by the Palaeontological Society of Japan
Jun-Ichi Tazawa and Hideo Araki "Middle Permian (Wordian) Mixed Boreal—Tethyan Brachiopod Fauna from Matsukawa, South Kitakami Belt, Japan," Paleontological Research 21(3), 265-287, (1 July 2017). https://doi.org/10.2517/2016PR029
Received: 2 May 2016; Accepted: 1 October 2016; Published: 1 July 2017
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