{{Short description|Species of bivalve}} {{no footnotes|date=April 2023}} {{Speciesbox | image = Veneridae - Lioconcha castrensis.JPG | image_caption = Shell of ''Lioconcha castrensis'' at the [[Museo Civico di Storia Naturale di Milano]] | taxon = Lioconcha castrensis | authority = (Linnaeus, 1758) | synonyms = * ''Venus castrensis'' Linnaeus, 1758 * ''Venus fulminea'' Röding, 1798 * ''Venus lorenziana'' Dillwyn, 18 }}

'''''Lioconcha castrensis''''', [[common name]] the '''zigzag venus''', is a species of saltwater clam, a [[marine (ocean)|marine]] [[bivalve]] [[mollusc]] in the family [[Veneridae]], the venus clams.

==Description== The shell of ''Lioconcha castrensis'' reaches a maximum length of about 55 mm; it is the largest species in the genus ''[[Lioconcha]]''. The shape of the shell is trigonal ovate, with a subtruncated posterior margin and a rounded ventral and anterior margin. This species is equivalve. The valves are quite thick and show fine wrinkled growth lines. This species has a wide range of variations. Usually the shell has blue-black to tan zigzag lines and chestnut-brown blotches on a generally white background. The interior is white.

<div align=center> Right and left valve of the same specimen: <gallery mode="packed" length="400"> Lioconcha castrensis 01.jpg|Right valve Lioconcha castrensis 02.jpg|Left valve </gallery> </div align=center>

==Distribution== This species has a wide Indo-West Pacific distribution.

==References== * Huber M. (2010) Compendium of bivalves. A full-color guide to 3,300 of the world's marine bivalves. A status on Bivalvia after 250 years of research. Hackenheim: ConchBooks. 901 pp., 1

==External links== {{Commons category}} * Van der Meij S.E.T., Moolenbeek R.G. & Dekker H. (2010) [http://www.mapress.com/mr/content/v30/2010f/n3p124.pdf The Lioconcha castrensis species group (Bivalvia: Veneridae), with the description of two new species. Molluscan Research 30(3): 117-124] * [http://www.marinespecies.org/aphia.php?p=taxdetails&id=216577 WoRMS] * [http://eol.org/pages/2989755/overview Encyclopedia of life] * [http://ebivalvia.lifedesks.org/pages/27588 Ebivalvia]

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[[Category:Veneridae]] [[Category:Bivalves described in 1758]] [[Category:Animal taxa named by Carl Linnaeus]] {{Veneridae-stub}}