Conus acutangulus   Lamarck,  1810 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Image copyrights: G. & Ph. Poppe

Size: Length 27 mm; Width 16 mm.

Color: Light to dark brown.

Small to medium-sized, light to moderately solid. Last whorl conical to broadly conical or slightly pyriform; outline nearly straight to slightly sigmoid. Shoulder angulate to carinate, smooth to tuberculate, with a deep exhalent notch. Spire usually high, outline variably concave. Larval shell of 3.5-4 whorls, maximum diameter of 0.8-0.9 mm. First 8-10 postnuclear whorls tuberculate, following whorls undulate to smooth. Teleoconch sutural ramps flat to slightly concave, with 0 increasing to 3-6 spiral grooves crossed by arcuate radial threads. Last whorl with strong spiral ribbons or ribs, separated by narrow to occasionally broad spiral grooves with strong axial threads.

Synonym (s)

Common Name (s)
• Acutangulus Cone (English)
Economic Importance and Threats

Habitat:  Reef Associated,Sandy,Muddy


• East Coast, Coromandel (Lat: 14) (Long: 80.17) INDIA
• Tamil Nadu, Parangipettai Coast (Lat: 11.48) (Long: 79.77) INDIA
• Pondicherry INDIA
• Tamil Nadu, Cuddalore 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
  • Kasinathan, R; Singarawadivelan, G and Saminathan, R (1997) Venomous cone snails of southeast coast of India 1 Available at - NIO, Goa
  • OBIS Indo-Pacific molluscan database Available at -
  • Poppe, GT and Poppe, P (1996) Conchology, Inc. Conchology, Inc. Available at -
  • Kohn, AJ The Conus Biodiversity website Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2010-06-16

Back to Search