The ventral margin is nearly straight, sometimes smoothly curved. The umbones are slightly in front of the midline of the valves. There are concentric lines behind this line. The pallial sinus does not slope forwards.
Habitat & Distribution in Bangladesh:
Kutubdia, Maheskhali and Sonadia Island
Environment:
Marin,Benthic,Tropical
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.