Molluscan ResearchISSN 1323-5818
 An international journal of the Malacological Society of Australasia and 
the Society for the Study of Molluscan Diversity published by Magnolia Press

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Molluscan Research 30(3): 117-124; published 30 Nov. 2010
Copyright © The Malacological Society of Australasia & the Society for the Study of Molluscan Diversity

The Lioconcha castrensis species group (Bivalvia : Veneridae), with the description of two new species


1 Netherlands Centre for Biodiversity Naturalis (department of Marine Zoology), P.O. Box 9517, 2300 RA Leiden, The Netherlands. Email: (corresponding author)

2 Netherlands Centre for Biodiversity Naturalis (section Zoological Museum of Amsterdam), Mauritskade 57, 1092 AD Amsterdam, The Netherlands. Email:


Part of the genus Lioconcha Mörch, 1853 is reviewed. Species strongly resembling Lioconcha castrensis (Linnaeus, 1758) are discussed and two new species are described: Lioconcha arabaya n. sp. from the Northwest Indian Ocean and Lioconcha rumphii n. sp. from Thailand and Sumatra. These three species, together with Lioconcha macaulayi Lamprell & Healy, 2002, share many morphological similarities and we suspect them to be closely related. They are referred to as the Lioconcha castrensis species group. Furthermore, lectotypes of Venus castrensis Linnaeus, 1758, and Venus fulminea Röding, 1798, are designated. The latter is considered a junior synonym of V. castrensis.

Key words: Indo-Pacific, Mollusca, Persian Gulf, Red Sea, taxonomy

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