Arca complanata [Status Unaccepted]   Chemnitz  (Clam)
Organism information awaits expert curation
Class: Bivalvia

Color: Outer surface is whitish with dirty or rusty brown markings; interior of the shell is smooth and tinged with pale brown.

Shell is oblong; longer than high, but outline subjected to certain degree of variation; ventral margin indented; umbones are moderately raised and ligamentary area is narrow, depressesd and elongately elliptical. Shell sculpture consists of numerous, fine close-set, radiating ribs which are closely decussated by faint, concentric grooves rendering the ribs somewhat granular appearance.

Synonym (s)

Common Name (s)
Economic Importance and Threats



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

Literature Source(s)
  • Ghosh, AK (1982) Fauna of India and the adjacent countries: Homoptera: Aphidoidea (Lachninae) ZSI 2 167 pp Available at - NCL, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • 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

Page last updated on:2013-01-03

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