1016 Miocene decapod crustacea from the Chichibu Basin, Central Japan

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概要

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• Seventeen fossil decapods are described from the Miocene of the Chichibu Basin, Saitama Prefecture, Central Japan. The decapods occur in the Ushikubitoge Formation, Nagura Formation and Yokoze Formation. The following five are new : Trachycarcinus inflatus, Cancer sakamotoi, Itoigawaia chichibuensis, Maja morii, Miosesarma nagurense. Six decapod assemblages are recognized in the basin. The fauna is characterized by the predominance of muddy bottom inhabitants of the lower sublittoral zone, represented by the Miosesarma nagurense sp. nov. assemblage from the Nagura Formation. The occurrence of Maja morii sp. nov. is the first fossil record of the genus from the northern Pacific region.

• 日本古生物学会の論文
• 1996-09-30

著者

• Kato Hisayoshi

  Natural History Museum And Institute

関連論文

• The systematic status of the genus Miosesarma Karasawa, 1989 with a phylogenetic analysis within the family Grapsidae and a review of fossil records (Crustacea : Decapoda : Brachyura)
• The family Goneplacidae MacLeay, 1838 (Crustacea : Decapoda : Brachyura) : systematics, phylogeny, and fossil records
• A new pinnotherid crab (Decapoda: Brachyura: Pinnotheridae) from the Miocene Niijukutoge Formation, northeast Japan
• 1016 Miocene decapod crustacea from the Chichibu Basin, Central Japan
• Fossil crabs (Crustacea : Decapoda : Brachyura) from the latest Miocene Senhata Formation, Boso Peninsula, Japan

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