Mactra (Coelomactra) turgida   Gmelin  (Clam)
Organism information awaits expert curation
Class: Bivalvia

Image copyrights: Government of India

Size: Length 47.35-80.5 mm; width 29.85-61.50 mm; height 17.50-37.85 mm

Color: White, often with pinkish violet tint at the umbonal region.

Shell large, strong, ovately triangulate. Umbo elevated. It is sculptured with very fine concentric striae more prominent in the umbonal region.

Synonym (s)
Mactra turgida Gmelin 1791
Mactra turgida Satyamurti 1956

Common Name (s)
Economic Importance and Threats

Habitat:  Sandy, Coastal


• Orissa, Mahanadi Estuary (Lat: 20.32) (Long: 86.75) INDIA
• Orissa, Chilika Lake INDIA (Record: 1987)
• West Bengal, Junput INDIA (Record: 08/03/1966)
• West Bengal, Digha INDIA (Record: 27/03/1983)
• West Bengal, Medinipur INDIA (Record: 1992)
• West Bengal, North 24 Parganas INDIA (Record: 1992)
• Orissa INDIA (Record: 1992)
• Tamil Nadu INDIA (Record: 1992)
• SRI LANKA (Record: 1992)
• MYANMAR (Record: 1992)
• Tamil Nadu, Kundugal Point INDIA (Record: 1991)
• Orissa, Chandbali INDIA (Record: 1991)
• Orissa, Konark INDIA (Record: 20/11/1962)
• West Bengal, Sagar Island INDIA (Record: 1991)
• Tamil Nadu, Chennai INDIA (Record: 1991)
• Tamil Nadu, Pamban INDIA (Record: 1991)
• West Bengal, Saimari Khal INDIA (Record: 13/09/1983)
• West Bengal, Digha Coast INDIA

Literature Source(s)
  • Rao, NVS; Rao, KVS and Manna, RN (1995) Mollusca Wetland ecosystem series 1: Fauna of Chilka lake ZSI, Calcutta 391-468 Available at - NIO, Goa
  • Zoological Survey of India (Eds.) (1998) Fauna Of Mahanadi estuary, Orissa Estuarine ecosystem series no 3 ZSI, Kolkata 1-218 Available at - ZSI, Pune
  • 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 -
  • 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
  • Dey, M and Mitra, A (2005) Molluscan community around Digha coast, West Bengal, India Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 2(1&2) 43-47 Available at - NIO, Goa

Page last updated on:2011-12-15

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