Arca inaequivalvis [Status Unaccepted]   Bruguiere,  1789 (Clam)
Organism information awaits expert curation
Class: Bivalvia

Color:Shell is whitish tinged with yellowish brown.

Shell moderately large and only slightly longer than high. The shell is thin; external ribs often show through the inner surface; the ends of the hinge are more or less sharply angulated; shell is inaequivalve; the umbo is placed in front of the middle; posterior margin broader than the anterior, straight and obliquely truncated while anterior margin is rounded. Shell sculpture with broad, flattened and smooth ribs numbering about 30-33. The intertices between the ribs bear fine, transverse striae. Valves are very deep and umbo rather strongly curved inwards. The ligamentary area is narrow and greatly elongate.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Krusadai Island (Lat: 9.23) (Long: 79.22) INDIA

Literature Source(s)
  • Satyamurti, ST (1956) The Mollusca of Krusadai island in the Gulf of Mannar II.- Scaphopoda, Pelecypoda and Cephalopoda Bulletin of the Madras Government 1(2) 202 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2013-01-03

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