Bolma girgyllus   (Reeve,  1861) (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: Shell small upto 28 mm in length

Color: Shell cream coloured with dark brown markings. Operculum white in colour; interior of aperture dull white in colour.

Shell turbiniform, as broad as long, sculptured with spiral rows of granules crossed by thin, wavy axial threads; lower half of each whorl carry a spiral row of hollow spines, each other spine strenthened with 5 to 6 longitudinal ribs; base not flat but sculptured with ten rows of spiral granules separated from each other by interspaces distinguished by the presence of wavy transpiral threads.

Aperture oval, without umbilicus, columella with callus deposit, bordered by strong denticles and a depression giving the impression of an umbilicus columella channeled below, outer lip thin. Operculum with granular surface.

Synonym (s)
Trochus girgyllus Reeve, 1861

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal


• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) 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
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-06-09

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