Anodontia edentula [Status Unaccepted]   (Linnaeus,  1758) (Clam)
Organism information awaits expert curation
Class: Bivalvia

Image copyrights: Guido T. Poppe & Philippe Poppe

Size: Maximum shell length 7.5 cm, commonly to 5 cm.

Max. weight reported: 210 gm

Color: Outside of shell dull white under the straw-colored periostracum. Interior is whitish.

Shell moderately thin and rounded in outline, very inflated, globose. Anterodorsal margin is sub-horizontal, strongly rounded anteriorly. Posterodorsal margin slightly convex and sloping posteriorly. Umbones are well in front of midline of valves. Lunule is flattish, moderately large, slightly depressed near the umbones, nearly symmetrical. Outer surface of valves is dense, with irregular concentric growth lines. Periostracum is thin and appressed to shell surface. Ligament sunken, set in an oblique groove of posterodorsal margin. They have a somewhat elongate adductor muscle, part of which is separate from the pallial line. The hinge is essentially toothless in the adult. They harbor sulphur-oxidising bacteria in their gills from which they derive most of their nutrition.

Synonym (s)
Venus edentula Linnaeus, 1758
(Senior synonym)
Anodontia hawaiiensis (Dall, Bartsch, and Rehder, 1938)
Cryptodon eutornus Tomlin, 1921
Cryptodon globulosum (Forsskal, 1775)
Lucina edentula (Linnaeus, 1758)
Lucina ovum Reeve, 1850
Anodontia pila (Reeve, 1850)

Common Name (s)
Economic Importance and Threats
Importance:  Commercial

Habitat:  Demersal, Estuarine, Muddy


• Andaman and Nicobar Islands, Car Nicobar (Lat: 9.17) (Long: 92.78) INDIA
• Andaman and Nicobar Islands, Neill Island (Lat: 11.83) (Long: 93.05) INDIA
• Andaman and Nicobar Islands, Havelock (Lat: 11.97) (Long: 93) INDIA
• Red Sea

Literature Source(s)
  • Jothinayagam, JT (1987) Cephalopoda of the Madras cost (Zoological Survey of India) Technical monograph no 15 The Director ZSI, Calcutta 85
  • Subba Rao, NV and Dey, A (2000) Catalogue of marine molluscs of Andaman and Nicobar Islands Occasional paper no 187 Records of the Zoological Survey of India ZSI 1-323 Available at - NCL, Pune
  • Sealifebase Available at -
  • Ng, PKL and Sivasothi, N (eds.) (2001) Guide to mangroves of Singapore Available at -
  • Poutiers, JM (1998) Bivalves FAO species identification guide for fishery purposes. The living marine resources of the western central Pacific. Volume 1: Seaweeds, corals, bivalves and gastropods FAO, Rome 1 686 pp Available at -
  • Poppe, GT and Poppe, P (1996) Conchology, Inc. Conchology, Inc. Available at -

Page last updated on:2012-07-23

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