Pelecyora trigona   (Reeve,  1850) (Clam)
Organism information awaits expert curation
Class: Bivalvia

Size: Length 12.6-32.7 mm; width 12-30.90 mm; height 8.05-18.4 mm

Color: White, or with some tinge of rust brown.

Shell triangularly ovate, rather thick. Umbone pointed and curved. It is sculptured with concentric striae, strong at the ventral margin. Lunule very large, superficial, almost obsolete. Ligament rather small.

Synonym (s)
Artemis trigona Reeve, 1850
Dosinia trigona Satyamurti, 1916

Common Name (s)
Economic Importance and Threats

Habitat:  Muddy


• West Bengal, Sundarbans INDIA
• Orissa, Mahanadi Estuary (Lat: 20.32) (Long: 86.75) INDIA
• West Bengal, Digha INDIA (Record: 01/09/1964)
• West Bengal, Kakdwip, Mainapara INDIA (Record: 31/08/1979, 16/04/1990)
• West Bengal, Ganga Sagar INDIA (Record: 27/05/1981)
• West Bengal, Gosaba INDIA (Record: 18/09/1984)
• West Bengal, Port Canning INDIA (Record: 29/09/1984)
• West Bengal, Kakdwip INDIA (Record: 10/03/1985)
• West Bengal, Medinipur INDIA (Record: 1992)
• West Bengal, North 24 Parganas INDIA (Record: 1992)
• West Bengal, South 24 Parganas INDIA (Record: 1992)
• Kerala INDIA (Record: 1992)
• Orissa INDIA (Record: 1992)
• Red Sea (Record: 1992)
• West Bengal, Sandheads INDIA (Record: 17/06/1885, 09/02/1887, 18/10/1889)
• West Bengal, Digha Coast INDIA

Literature Source(s)
  • (1995) Hugali Matla estuary: West Bengal ZSI, Kolkatta 1-542
  • Zoological Survey of India (Eds.) (1998) Fauna Of Mahanadi estuary, Orissa Estuarine ecosystem series no 3 ZSI, Kolkata 1-218 Available at - ZSI, Pune
  • Ramakrishna; Sarkar, J and Talukdar, S (2003) Marine invertebrates of Digha coast and some recomendations on their conservation Records of the Zoological Survey of India ZSI, Kolkata 101(3-4) 1 Available at - NCL, Pune
  • Mandal, AK and Nandi, NC (1989) Fauna of Sundarban mangrove ecosystem, West Bengal, India Fauna of Conservations 3 35431 Available at - NIO, Goa
  • 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
  • Sarkar, Sk; Cabral, H; Chatterjee, M; Cardoso, I; Bhattacharya, AK; Satpathy, KK and Alam, MA (2008) Biomonitoring of Heavy Metals Using the Bivalve Molluscs in Sunderban Mangrove Wetland, Northeast Coast of Bay of Bengal (India): Possible Risks to Human Health CLEAN - Soil, Air, Water WILEY 36(2) 187 – 194 Available at -
  • 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
  • Available at -

Page last updated on:2011-12-16

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