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1 December 2008 Permian Polyplacophora (Mollusca) from the Akasaka Limestone, Gifu, Japan
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Abstract

A polyplacophoran fauna in the Akasaka Limestone is significantly different from previously described Permian faunas. Gryphochiton Gray, 1847, is the only genus present commonly found in other faunas. Four genera and species including Gryphochiton asamiae sp. nov., Aaptochiton pustulosus gen. et sp. nov., Gifuochiton pentagonus gen. et sp. nov., Crassitudochiton plakos gen. et sp. nov., and Crassitudochitonidae fam. nov. are described. Small pustules on many plates indicate ends of aesthete canals.

Richard Hoare and Hiroaki Karasawa "Permian Polyplacophora (Mollusca) from the Akasaka Limestone, Gifu, Japan," Paleontological Research 12(4), 321-327, (1 December 2008). https://doi.org/10.2517/prpsj.12.321
Received: 11 March 2008; Accepted: 1 May 2008; Published: 1 December 2008
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