PLICATULOSTREA, A NEW GENUS OF PLICATULIDAE (BIVALVIA: PECTINOIDEA) FROM THAILAND

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Author(s):	Simone, Luiz Ricardo L. ; do Amaral, Vanessa Simao Total Authors: 2
Document type:	Journal article
Source:	RAFFLES BULLETIN OF ZOOLOGY; v. N/A, p. 9-pg., 2008-08-15.
Abstract
Plicatulostrea onca, a new genus and species of Plicatulidae, is described based on shell and anatomy. The samples were collected under intertidal rocks at Kungkrabaen Bay, Thailand. Plicatulostrea differs from other plicatulids mainly in lacking undulations or shell sculpture, by long projections of the hinge teeth of the right valve and extreme body compression. Plicatulostrea onca has a radially arranged spots at the shell surface and typical plicatulid anatomy, differing mainly by the richness of papillae on the mantle edge and by invasion of the gonad along the mantle lobes. Some comments on the anatomy of the family are also provided. (AU)