Acanthochitona mahensis   Winckworth,  1927 (Chiton)
Organism information awaits expert curation
Class: Polyplacophora

Size: Length 6.9-17.65 mm; diameter 3.92-9.9 mm

Color: Brown

Animal small; elongately ovate; encircled by a girdle with eighteen rounded pockets bearing tufts of bristles. valves sculptured with radiating ridges on lateral side, middle part smooth. The lateral edges of the shell plates are deeply immersed in the girdle. The insertion plates are small but have well formed slits; sculpture consists of numerous granules uniformly disposed.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Gulf of Mannar INDIA
• Orissa, Ganjam INDIA (Record: 29/11/1962)
• Orissa, Gopalpur INDIA (Record: 15/02/1972)
• Andhra Pradesh, Waltair INDIA
• Pondicherry, Mahe INDIA
• Andaman and Nicobar Islands INDIA
• Andra Pradesh, Visakhapatnam INDIA
• Tamil Nadu, Krusadai Island (Lat: 9.23) (Long: 79.22) INDIA
• Tamil Nadu, Gulf of Mannar (Lat: 8.5) (Long: 79) 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
  • Tikadar, BK; Daniel, A and Subbarao, NV (1986) Sea shore animals of Andaman and Nicobar Islands The Director, ZSI, Kolkatta 188 Available at - ZSI, 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
  • Nagabhushanam, AK and Krishnan, S (1993) Observations on the distribution of some of the marine organism inhabiting the inter-tidal zone along the western continental shelf of the Bay of Bengal, with particular reference to the Tamil Nadu coastal strip Records of the Zoological Survey of India 93(3-4) 449-490 Available at - ZSI, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at -
  • Rao, NVS; Rao, KVS and Maitra, S (1991) Marine molluscs State fauna series 1: Fauna of Orissa Zoological Survey of India, Calcutta Part 3 1-175 Available at - NIO, Goa
  • Rajagopal, AS and Rao, NVS (1974) On chitons from the Andaman and Nicobar islands Journal of marine biological association of India The marine biological association of India 16(2) 398-411 Available at - NIO, Goa
  • Satyamurti, ST (1952) The Mollusca of Krusadai island in the Gulf of Mannar I- Amphineura and Gastropoda Bulletin of the Madras Government 1(2) 265 pp Available at - NIO, Goa

Page last updated on:2013-01-21

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