Dentalium mannarense   Winckworth,  1927 (Tusk Shell)
Organism information awaits expert curation
Class: Scaphopoda

Image copyrights: Joop Trausel & Frans Slieker

Size: 42 mm long and 4 mm wide

Color: Shell pale creamy white, tinged with bluish white near anterior end.

Shell not very slender, but moderately curved, almost straight anteriorly; eleven ribbed, ribs strong towards the posterior end; aperture circularly polygonal; surface covered by fine, longitudinal microscopic striae both on ribs and the interstices; fine growth lines on the smooth interior part.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Tamil Nadu, Dhanushkodi INDIA
• Tamil Nadu, Krusadai Island (Lat: 9.23) (Long: 79.22) INDIA

Literature Source(s)
  • Rao, GC (1990) Present status of the sea cow, Dugong dugon Journal of Andaman Science Association 6 185-189
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Samuel, VD; Chacko, D and Edward, JKP (2005) Preliminary study on the molluscan diversity of “the lost world’’– Dhanushkodi, east coast of India Proceedings of the National Seminar on Reef Ecosystem Remediation SDMRI Special Research Publication No.9 54-58 Available at -
  • Natural History Museum Rotterdam Available at -
  • Satyamurti, ST (1956) The Mollusca of Krusadai island in the Gulf of Mannar II.- Scaphopoda, Pelecypoda and Cephalopoda Bulletin of the Madras Government 1(2) 202 pp Available at - NIO, Goa

Page last updated on:2013-01-04

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