Nerita (Ritena) maxima   Linnaeus,  1791 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Shell Size: 41 mm in height.

Color: Grayish-black, sparingly interrupted with ash white, callus porcelaneous white, aperture white. Operculum pale gray.

Shell largest, obliquely oval, thick, solid, three to four times higher than broad, narrow, body whorl large and somewhat compressed in the middle, spire scarcely exserted, concavely flattened, nuclear whorls smooth. Aperture broadly expanded, columellar callus smooth in the upper half but obscurely wrinkled in the lower half, columellar margin concave, with four stout teeth in the middle, outer lip thickened and expanded. Sculptured with numerous flat spiral riblets separated by much narrower grooves.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Tamil Nadu, Shingle Island (Lat: 9.23) (Long: 79.23) INDIA

Literature Source(s)
  • Arrow, GJ (1910) The fauna of India including Ceylon and Burma. Coleoptera Taylor and Francis, Red Lion Court, Fleet Street 322 pp
  • Daniel, R (1985) Fauna of India and the adjacent countries (Coelenterata: Hydrozoa: Siphonophora) ZSI 440 pp Available at - NIO, Goa
  • Subba Rao, NV (2003) Indian seashells Records of the Zoological Survey of India ZSI, Kolkata (Part 1) 416 pp Available at - NCL, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • 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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