Acrosterigma magnum, or the magnum cockle, is a species of bivalve mollusc in the family Cardiidae, the true cockles.
Description Acrosterigma magnum has a shell reaching a length of 38 – 48 mm.
Distribution This species is found in Caribbean waters, ranging from the Florida Keys to the Gulf of Mexico and northern Brazil.Abbott, R.T. & Morris, P.A. A Field Guide to Shells: Atlantic and Gulf Coasts and the West Indies. New York: Houghton Mifflin, 1995. 57.
References
External links WoRMS Conchology