Cronia ochrostoma   (Blainville,  1832) (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Size: Length 8.35-20.75 mm; diameter 4.45-12.70 mm; length of aperture 4.88-11.32 mm; length of spire 4.48-10.40 mm.

Color: White sometimes with light brown spots in the interstices on the body whorl. Aperture light orange.

Shell small, biconic shape, spire elevated, acute, consists of 6 subangulate whorls. Suture wavy, body whorl gibbose. Aperture narrowly elongate, anal sulcus shallow, outer lip erect, slightly crenulate, interior denticulate, 6-7 denticles present. Inner lip smooth, adherent, callose posteriorly, slightly detached, 3-4 denticles posteriorly; canal short, open, sculpture consists of 6-7 angulate axial ribs. Spiral sculpture with prominent nodulose, cords interstices with fine scabrous threads 3-4 in numbers between cords.

Synonym (s)
Cronia ochrostoma Cernohorsky, 1976
Purpura ochrostoma Blainville, 1832
Cronia ochrostoma Cernohorsky, 1981

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Andamans INDIA (Record: 1993)
• Andaman and Nicobar Islands, Neill Island INDIA (Record: 1993)
• SRI LANKA (Record: 1993)
• Andaman and Nicobar Islands 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
  • Subba Rao, NV and Surya Rao, KV (1993) Contribution to the knowledge of Indian marine molluscs: Pt. 3. Family: Muricidae Occasional paper no 153 Records of the Zoological Survey of India ZSI, Kolkata 133 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Mayhew, R Schooner specimen shells Available at -
  • Das, AK and Roy, MKD (1989) A general account of the mangrove fauna of Andaman and Nicobar islands Fauna of conservation areas Zoological survey of India 1-152 Available at - NIO, Goa

Page last updated on:2011-07-06

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