Nerita (Theliostyla) chamaeleon   Linnaeus,  1758 (Sea Snail)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Mollusca
Class: Gastropoda
Order:Cycloneritimorpha
Family:Neritidae

Image copyrights: Guido T. Poppe

Description
Size: Length 12.2-16.72 mm; diameter 12.75-19.58 mm.

Color: Blotches of black, green or yellowish-green, some times with three broad, dark-brown or dark-green spiral bands, columella dull white, outer lip fringed with black spots or with a thin black band. Operculum externally grayish, internally brownish-red.

Shell small, solid and globose, whorls three, convex, spire low, but pointed, suture faintly impressed. Aperture crescentic, small, deep, columella area thick, callus traversed by irregular longitudinal ridges on the inner and outer halves with granulations in between, columellar margin of outer lip thin and sharp, inner margin with a callosity bearing 10 to 12 distinct teeth, the first and second superior teeth knob shaped and the inferior most tooth stronger than others. Operculum slightly convex, almost regularly and finely granular.


Synonym (s)
Nerita chamaeleon Linnaeus, 1758
Nerita (Theliostyla) chamaeleon Rajagopal and Mookherjee, 1978

Common Name (s)
Economic Importance and Threats

Ecology

Biogeography


• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Tamil Nadu, Gulf of Mannar INDIA (Record: 2003)
• Orissa, Paradwip INDIA (Record: 09/05/1984)
• Andhra Pradesh, Vishakhapatnam INDIA
• Tamil Nadu, Chennai INDIA
• Tamil Nadu, Pamban INDIA
• Tamil Nadu, Tuticorin INDIA
• Maharashtra, Devgarh INDIA
• Andaman and Nicobar Islands INDIA
• Andra Pradesh INDIA
• Tamil Nadu INDIA
• Kerala INDIA
• West Bengal INDIA
• Andaman and Nicobar Islands, Chidiya Tapu INDIA
• Andaman and Nicobar Islands, Havelock (Lat: 11.97) (Long: 93) 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, Camorta INDIA

Literature Source(s)
  • Subba Rao, NV (2003) Indian seashells Records of the Zoological Survey of India ZSI, Kolkata (Part 1) 416 pp Available at - NCL, Pune
  • Zoological Survey of India (Eds.) (1998) Fauna Of Mahanadi estuary, Orissa Estuarine ecosystem series no 3 ZSI, Kolkata 1-218 Available at - ZSI, Pune
  • OBIS Indo-Pacific molluscan database Available at - http://clade.ansp.org/obis/find_mollusk.html
  • 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
  • Ray, HC (1977) Contribution to the knowledge of the molluscan fauna of Maungmagan, Lower Burma (with descriptions of one new genus and species of the Family Turridae (Gastropoda) 8) Contribution to the knowledge of the molluscan fauna of Maungmagan, Lower Burma (with descriptions of one new genus and species of the Family Turridae (Gastropoda) 8) Indian Museum, Calcutta 1-150 Available at - Zoological Records (Burma marine)
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at - http://tnenvis.nic.in
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Eddie, H Hardy's internet guide to marine gastropods Available at - http://www.gastropods.com/
  • 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

Page last updated on:2012-06-29

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