Nassarius subconstrictus   (Sowerby,  1899) (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 12 mm in height

Colour: Greenish when fresh, becoming pale greenish yellow on preservation, ornamented with subsutural and broad basal bands, interior of aperture white, columella margin white and tinged with flesh red.

Shell small, fusiform, whorls 7-8, regularly increasing, suture impressed with a constriction below. Aperture obliquely ovate, siphonal canal short, broad and a little recurved, columella excavated, porcellaneous, with a well-defined restricted callus, thickened to form a tubercle at the posterior end and outer lip coarsely and varicosely thickened posteriorly, with fine denticles on the inner margin.
Sculptured with characteristic coarse, longitudinal ribs on the spire whorls and on the shoulder of the body whorl, which become obsolete below, base with fine, wavy spiral striae.

Synonym (s)
Nassa (Phrontis) gangetica Preston, 1904
Nassa denegablis Preston, 1914
Nassa subconstricta Sowerby, 1899
Nassarius (Pygmaeonassa) subconstrictus (Sowerby, 1899)

Common Name (s)
Economic Importance and Threats



• West Bengal, Port Canning INDIA
• Orissa, Chilika Lake INDIA
• Tamil Nadu, Ennur Backwaters INDIA
• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Chidiya Tapu INDIA
• Andaman and Nicobar Islands, Car Nicobar, Malacca Bay INDIA

Literature Source(s)
  • 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 -
  • 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:2012-08-29

Back to Search