Very large shell, stout, bulky,elongate and irregular in shape; pearly white inner margin; well-marked cavity beneath the hinge; muscle scar broad; with more or less oblong striations on the scar. Colour: exterior dirty white, interior pearly white.
Habitat & Distribution in Bangladesh:
Hard muddy substratum of canals in the mangrove area of the Sundarbans
Environment:
Marine ,benthic,subtropical
Main References:
Siddiqui KU, Islam MA, Kabir SMH, Ahmad M, Ahmed ATA, Rahman AKA, Haque EU, Ahmed ZU, Begum ZNT, Hassan MA, Khondker M, Rahman MM (2007) Encyclopedia of Flora and Fauna of Bangladesh, Vol. 17. Molluscs. Asiatic Society of Bangladesh, Dhaka 415 pp.