On a collection of some Mollusca from Budhabalanga estuary, Odisha Author Gurumayum, S. D. text Records of the Zoological Survey of India 2019 119 1 55 59 journal article 10.26515/rzsi/v119/i1/2019/123277 2581-8686 10956119 11. Mactra violacea Gmelin, 1791 1791. Mactra violacea Gmelin, Syst. Nat. , ed. 13: 3260. Material examined: 1 valve Measurements: Length: 6.9, Height: 5.4 Distribution: Andhra Pradesh , Andaman and Nicobar Islands , Orissa . Remarks: Marine in habitat, a very common species in Indian coast.