Cymatium (Monoplex) nicobaricum   Roding,  1798 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Image copyrights: Jacksonville Shell Club

Size: 9 cm.

Color: Grey, blotched or flecked with brown, aperture orange or yellow, darker near the lip and on the columella, denticles and lirae white.

Heavy and solid, varixes thick, spire high, early whorls with angulate shoulders, sculptured with heavy nodules and spiral ribs and cords, separated by narrow, deeply incised grooves, body whorl with 3-4 nodules between the varixes and six primary ribs, thickening where they ascend the last varix, posterior canal small but distinct, anterior canal small but distinct, anterior canal short, outer lip with seven heavy nodules on its inner side, plus a matching row deeper within the aperture, parietal wall with a strong fold beside the posterior canal, followed by a series of rather straight lirae which cross the columellar callus.

Synonym (s)
Cymatium nicobaricum Roding, 1798
Lampusia nicobarica Roding, 1798
Triton chlorostomum var. pumilio Morchx, 1850
Triton pulchellus Adams, 1850
Tritonium nicobaricum Roeding, 1798

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Andaman and Nicobar Islands, Car Nicobar (Lat: 9.17) (Long: 92.78) INDIA
• Lakshadweep (Lat: 11) (Long: 72.5) 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
  • OBIS Indo-Pacific molluscan database Available at -
  • 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
  • Eddie, H Hardy's internet guide to marine gastropods Available at -

Page last updated on:2010-06-18

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