Periglypta puerpera   (Linnaeus,  1771) (Clam)
Organism information awaits expert curation
Class: Bivalvia

Size: Maximum shell length 12.5 cm, commonly to 9 cm.

Color: Outside of shell whitish to light fawn, largely tinged with dark brown posteriorly, and with 3 or 4 interrupted radial bands of brown (reduced to small blotches towards the umbones). Interior whitish, often flushed pale yellow to orange and dark purple posteriorly.

Shell thick and strongly inflated, nearly as high as long, rounded-quadrate in outline, reaching a very large size. Umbones in the anterior 1/4. Lunule and escutcheon well marked, the latter smoothish, medially grooved in left valve and posteriorly overlain by the right valve margin. Outer sculpture both concentric and radial, relatively fine, with many lamellous concentric ridges, radially undulated or crenulated by numerous low, rounded riblets. Ligament deeply inset, partly overlapped by the edge of the escutcheon in right valve. Hinge plate strong, excavated at ventral margin, with 3 strong cardinal teeth in each valve and with a small, tubercle-shaped anterior lateral tooth in left valve. Pallial sinus well developed, extending on about 2/5 of the shell length. Internal margins finely crenulated.

Synonym (s)
Antigona puerpera (Linnaeus, 1771)
Venus aegrota Reeve, 1863
Venus lacerata Hanley, 1844
Venus puerpera Linnaeus, 1771
Venus reticulata Born, 1780

Common Name (s)
• Youthful Venus
Economic Importance and Threats
Importance:  Commercial
(Collected for food. Shell used in local shellcraft.)

Habitat:  Sandy, Muddy


• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands, Chidiya Tapu INDIA
• Andaman and Nicobar Islands, Little Andaman (Lat: 10.75) (Long: 92.5) INDIA
• Andaman and Nicobar Islands, Port Blair (Lat: 11.67) (Long: 92.75) INDIA
• Andaman and Nicobar Islands, Havelock (Lat: 11.97) (Long: 93) INDIA
• Andaman and Nicobar Islands, Hut Bay (Lat: 10.63) (Long: 92.6) INDIA
• Andaman and Nicobar Islands, Neil Island (Lat: 11.83) (Long: 93.05) INDIA
• Andaman and Nicobar Islands, Rutland Island INDIA
• Andaman and Nicobar Islands, Camorta INDIA
• Andaman and Nicobar Islands, Katchall INDIA
• Andaman and Nicobar Islands, Great Nicobar INDIA

Literature Source(s)
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Poutiers, JM (1998) Bivalves FAO species identification guide for fishery purposes. The living marine resources of the western central Pacific. Volume 1: Seaweeds, corals, bivalves and gastropods FAO, Rome 1 686 pp Available at -

Page last updated on:2012-07-27

Back to Search