Stenoplax (Stenoplax) alata   Sowerby,  1841 (Chiton)
Organism information awaits expert curation
Class: Polyplacophora

Size: 25.5 to 37.5 mm in length.

Color: tegmentum grayish brown.

Valves semi-oval, with a deeply V-shaped posterior margin. Intermediate valves hexagonal, valve as long as wide. Anterior and posterior valves concentrically ridged. Intermediate valves with lateral and central areas demarcated by oblique ridge like elevation, lateral areas with longitudinal ridges. Well-developed mucronal area and a well demarcated post mucronal area. Articulamentum weakly developed.Girdle wide. Arrangement of gills holobranchial and abanal.

Synonym (s)
Ischnochiton herdmani Sykes( Satyamuri, 1952)
Ischnochiton alatus (Sowerby)

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands, Andaman (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Tamil Nadu, Gulf of Mannar 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
  • 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 -

Page last updated on:2010-07-21

Back to Search