Pitar alabastrum   (Reeve,  1863) (Clam)
Organism information awaits expert curation
Class: Bivalvia

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Size: Length 13.15-16.25 mm; width 10.4-12.35 mm; height 7.35-8.85 mm

Color: White

Shell large, ovately cordate, thin, distinctly longer than high, inflated; anterior end short; posterior elongate; umbo impressed; sculpture with concentric, irregular, wrinkle striae; white, scarsely tinged with rust. The outer surface of the shell is coarse and is traversed by faint, irregular concentric striae; hinge teeth are solid, the tooth in front of the cardinals well developed and the posterior tooth narrow and much elongated; the lunule well defined and depressed. The adductor impressions are well marked and slightly raised; pallial line deeply sinuate; inner surface smooth, glossy and pure white throughout, except over the region of the muscle impressions which bear a slight brownish tinge.

Synonym (s)
Dione alabastrum Reeve, 1863
Cytherea (Caryatis) pudicissima Smith, 1894
Pitar alabstrum Fischer-piette, 1967
Meretrix (Caryatis) pudicissima Smith, 1906
Pitar alabstrum Fischer-piette, 1976
Pitar alabstrum Ray, 1977

Common Name (s)
Economic Importance and Threats



• West Bengal, South 24 Parganas INDIA (Record: 1992)
• Arabian Sea (Record: 1992)
• Tamil Nadu INDIA (Record: 1992)
• Orissa INDIA (Record: 1992)
• Gulf of Oman (Record: 1992)
• MYANMAR (Record: 1992)
• Orissa, Off Gopalpur INDIA (Record: 1991)
• Tamil Nadu, Pamban INDIA (Record: 1991)
• Tamil Nadu, Parangipettai INDIA (Record: 1991)
• Arabian Sea INDIA (Record: 1991)
• West Bengal, Sandheads INDIA (Record: 17/06/1885)

Literature Source(s)
  • Subba Rao, NV; Dey, A and Barua, S (1992) Estuarine and marine molluscs Fauna of West Bengal Part 9 (State fauna series 3) ZSI, Calcutta 129-268 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Rao, NVS; Rao, KVS and Maitra, S (1991) Marine molluscs State fauna series 1: Fauna of Orissa Zoological Survey of India, Calcutta Part 3 1-175 Available at - NIO, Goa

Page last updated on:2012-11-23

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