Ptychobela nodulosa   Gmelin,  1791 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: 35 mm in height.

Color:Dull brown with yellowish peripheral band; a dark reddish-brown zone at the shoulder; a lighter brown zone at the base of the body whorl.

Shell spindle shaped, spire slightly more than half the total height, whorls with rounded periphery; aperture a little broad; columella with callus posteriorly; outer lip thick, with posterior sinus, notch on the outer lip deep and rounded, siphonal canal short; sculptured with strong, broadly rounded spiral ribs and 2-6 regular spiral striae in the interspaces, a low, keeled spiral rib generally made up of two close-set ridges just below the suture, portion below this a little deeply hollowed.

Synonym (s)
Clavatula crenularis Lamarck, 1816
Murex nodulosus Gmelin, 1791

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Chennai (Lat: 13.09) (Long: 80.29) INDIA
• Maharashtra, Mumbai (Lat: 18.8) (Long: 72.73) INDIA
• Tamil Nadu, Porto Novo (Lat: 11.48) (Long: 79.77) INDIA
• Tamil Nadu, Gulf of Mannar (Lat: 8.5) (Long: 79) INDIA
• Tamil Nadu, Krusadai Island (Lat: 9.23) (Long: 79.22) INDIA
• Pondicherry INDIA
• Andhra Pradesh, Visakhapatnam (Lat: 17.7) (Long: 83.3) INDIA
• Orissa 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
  • OBIS Indo-Pacific molluscan database Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Global Biodiversity Information Facility (GBIF) Available at -

Page last updated on:2010-07-23

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