Strombus (Euprotomus) aurisdianae aurisdianae   Linnaeus,  1758 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 8 cm.

Color: Ventral side of the body whorl and the lower spire whorls glazed dark brown or orange; exterior mottled cream, brown and blue-grey; interior rich orange.

Spire and body whorl heavily nodulose at the shoulders, with many fine spiral ribs on the body whorl, plus one or two stronger nodulose ribs, anterior canal long and curved upwards at an angle of about 75ยบ, weak posterior lirae present in the aperture.
Shell solid, rugose, with a posterior projection of the upper lip and strongly recurved siphonal canal. Nuclear whorls three, rounded. First three post-nuclear whorls well-rounded, reticulate. Succeeding whorls with numerous axial, knobbed ribe crossed by uneven spiral thread-like thickenings. Shoulder of body whorl with eight short knobs. Below this two rows of poorly developed nodules present. In the basal portion of the shell there are numerous closely disposed spiral cords. Parietal side glazed cream and extends up to five whorls of the spire. Columella straight, glossy and smooth upper portion has lirae and wrinkles.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Reef Associated, Coastal


• Andaman and Nicobar Islands INDIA
• Tamil Nadu, Mandapam 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 -
  • Wilson, B; Wilson, C and Baker, P (1993) Australian marine shells 1 1-408 Available at - NIO, Goa
  • Available at -
  • Rao, KS; Dorairaj, K; Unnithan; Asokakumaran, K (1976) New records of five species of marine Molluscs from Mandapam area Journal of the Marine Biological Association of India Marine Biological Association of India, Cochin, India 18(3) 670-672 Available at -

Page last updated on:2011-02-02

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