Cerithidea obtusa   (Lamarck,  1822) (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda
Order:[unassigned] Caenogastropoda

Size: 5 cm.
Length: 30.22-43.00 mm.
Diameter: 17.20-25.20 mm.
Max height of the aperture: 10.50 mm.

Color: Brown, aperture light brown.

Thin with about seven convex whorls, the apical whorls eroded; tip blunt, maximum length (with decorated tip) 56 mm; about 6-7 spiral ridges; outer lip thick, shelf-like, base with spiral cords but no axial sculpture, axial ribs on the sides of the whorls slightly sinuous, spiral sculpture poorly developed. Aperture strongly spherical and wide; short canal present; flare of outer lip over the siphonal canal not so prominent.

Synonym (s)
Cerithidea obtusum Lamarck, 1822
Cerithium obtusum Lamarck, 1822
Cerithidea obtusa Verway, 1930
Cerithidea obtusa Lamarck, 1822
(Senior Synonym)
Cerithidea obtusa Cernohorsky, 1972
Potamides obtusus (Lamarck, 1822)

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal, Estuarine, Muddy, Coastal


• Tamil Nadu, Pichavaram Mangrove Forest (Lat: 11.03) (Long: 79.78) INDIA
• Tamil Nadu, Parangipettai Coast (Lat: 11.48) (Long: 79.77) INDIA
• Tamil Nadu, Parangipettai Coast INDIA
• West Bengal, Sundarbans INDIA
• West Bengal, Port Canning INDIA (Record: 19/07/1930, 1992)
• West Bengal, Saznekhali INDIA (Record: 22/03/1958, 02/05/1961)
• West Bengal, Digha INDIA (Record: 05/09/1964)
• West Bengal, Gosaba INDIA (Record: 25/04/1961)
• West Bengal, Ganga Sagar INDIA (Record: 25/08/1978)
• West Bengal, Kakdwip INDIA (Record: 16/08/1979)
• West Bengal, Jhingakhali INDIA (Record: 12/09/1983)
• West Bengal, Matla Island INDIA (Record: 13/09/1983)
• West Bengal, Mayadeep INDIA (Record: 13/09/1983)
• West Bengal, Basirhat INDIA (Record: 06/09/1984)
• West Bengal, Medinipur INDIA
• West Bengal, South 24 Parganas INDIA
• West Bengal, North 24 Parganas INDIA
• Andaman and Nicobar Islands INDIA
• Orissa INDIA
• West Bengal, Subarnarekha Mouth INDIA (Record: 07/2000-06/2001)
• West Bengal, New Digha INDIA (Record: 07/2000-06/2001)
• West Bengal, Junput INDIA (Record: 07/2000-06/2001)
• Tamil Nadu, Pichavaram INDIA
• Pondicherry, Pondicherry mangrove (Lat: 79.8) (Long: 11.88) INDIA (Record: 01/2009)
• Pondicherry, Pondicherry mangrove (Lat: 79.81) (Long: 11.76) INDIA (Record: 01/2009)
• Tamil Nadu, Vellar Estuary (Lat: 11.48) (Long: 79.76) INDIA
• West Bengal, Chhota Hardi INDIA (Record: 18/09/1983)
• West Bengal, Champta INDIA (Record: 11/09/1983)
• West Bengal, Arbesy INDIA (Record: 11/09/1983)
• West Bengal, Sandheads INDIA

Literature Source(s)
  • Tikadar, BK; Daniel, A and Subbarao, NV (1986) Sea shore animals of Andaman and Nicobar Islands The Director, ZSI, Kolkatta 188 Available at - ZSI, Pune
  • (1995) Hugali Matla estuary: West Bengal ZSI, Kolkatta 1-542
  • Rajagopal, S; Khan, SA; Srinivasan, M and Shanmugam, A (1998) Gastropods of Parangipettai coast Annamalai University 38 pp Available at - NIO, Goa
  • Mandal, AK and Nandi, NC (1989) Fauna of Sundarban mangrove ecosystem, West Bengal, India Fauna of Conservations 3 35431 Available at - NIO, Goa
  • Fernando, AS and Fernando, OJ (2002) A field guide to the common invertebrates of the east coast of India Centre of Advanced Study in Marine Biology 1-258 Available at - NIO, RC Kochi
  • Kathiresan, k (2000) A review of studies on Pichavaram mangrove, southeast India Hydrobiologia Kluwer Academic Publishers, Netherlands 430 108-205 Available at - NCL, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Wilson, B; Wilson, C and Baker, P (1993) Australian marine shells 1 1-408 Available at - NIO, Goa
  • Shell's database server Available at - http://shell.kwansei.ac.jp/
  • 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
  • Khalua, RK; Chakravarty, G and Chakraborty, SK (2003) Annotated list of molluscs from the coastal tract of Midnapore District, West Bengal, India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 45(2) 245-249 Available at - NIO, Goa
  • Balasubramanyan, K (1994) Micro-invertebrate benthic fauna of Pichavaram mangroves Conservation of mangrove forest genetic resources: A training manual Available at - http://idl-bnc.idrc.ca/dspace/bitstream/10625/33954/1/118818.pdf
  • Sealifebase Available at - http://www.sealifebase.org/
  • Kesavan, K; Babu, A; Ravi, V and Rajagopal, S (2009) A checklist of malacofauna from Pondicherry mangroves International Journal of the Bioflux Society Centre of Advanced Study in Marine Biology 31-36 Available at - www.aes.bioflux.com.ro/docs/2009.1.31-36.pdf
  • Kesavan, K; Palpandi, C and Shanmugam, A (2009) A checklist of malacofauna of the Vellar estuarine mangroves, India Journal of Threatened Taxa Wildlife Information Liaison Development Society 1(7) 382-384 Available at - threatenedtaxa.org/ZooPrintJournal/2009/July/o191226vii09382-384.pdf

Page last updated on:2011-01-28

Back to Search