Cassidula nucleus   (Gmelin,  1791) (Sea Snail)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Mollusca
Class: Gastropoda
Order:[unassigned] Pulmonata
Family:Ellobiidae

Image copyrights: Government of India

Description
Length: 16.10-24.00 mm
Diameter: 9.70-13.90 mm
Max height of the aperture: 11.30-15.50 mm

Color: Cream or fawn, ornamented with brown bands, apex purplish brown.

Shell small up to 20 mm, spire short, last whorl convex; sculptured with fine, sharp incised spiral striae on the body whorl; aperture narrow, outer lip varicose, obsoletely denticulate and angulate, callousity on the inner margin of the lip; columella with a callous shield.


Synonym (s)
Auricula nucleus Gmelin, 1791
Cassidula nucleus Cernohorsky, 1972

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Estuarine, Muddy

Biogeography


• Maharashtra INDIA
• Tamil Nadu INDIA
• West Bengal, Kakdwip INDIA (Record: 18/08/1979)
• West Bengal, Pargumti INDIA (Record: 09/09/1984)
• West Bengal, North 24 Parganas INDIA
• West Bengal, South 24 Parganas INDIA
• MYANMAR
• Tamil Nadu, Pichavaram (Lat: 11.42) (Long: 79.79) 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)
• West Bengal, Khatuajhuri INDIA (Record: 13/11/1988)
• Tamil Nadu, Vellar Estuary (Lat: 11.48) (Long: 79.76) INDIA
• Andaman and Nicobar Islands INDIA
• Andaman and Nicobar Islands, Havelock (Lat: 11.97) (Long: 93) INDIA
• Andaman and Nicobar Islands, South Andaman, Kadakachang INDIA
• Andaman and Nicobar Islands, Little Andaman (Lat: 10.75) (Long: 92.5) INDIA
• Andaman and Nicobar Islands, Port Blair (Lat: 11.67) (Long: 92.75) INDIA
• Andaman and Nicobar Islands, Sippighat INDIA

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
  • Prasad, MBK and Ramanathan, AL (2009) Organic matter characterization in a tropical estuarine-mangrove ecosystem of India: Preliminary assessment by using stable isotopes and lignin phenols Estuarine, Coastal and Shelf Science Elsevier 1-8 Available at - http://dx.doi.org/10.1016/j.ecss.2009.07.029
  • 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
  • Das, AK and Roy, MKD (1989) A general account of the mangrove fauna of Andaman and Nicobar islands Fauna of conservation areas Zoological survey of India 1-152 Available at - NIO, Goa
  • 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
  • Subba Rao, NV (2003) Indian seashells Records of the Zoological Survey of India ZSI, Kolkata (Part 1) 416 pp Available at - NCL, Pune

Page last updated on:2012-09-10

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