original description(ofMactra similis Say, 1822)Say, T. (1822). An account of some of the marine shells of the United States. <em>Journal of the Academy of Natural Sciences, Philadelphia.</em> 2(1): 221-248; 2(2): 257-276, 302-325., available online athttp://biodiversitylibrary.org/page/36831411 page(s): 309 [details]
basis of recordAbbott, R. T. & Dance, S. P. (1986). <i>Compendium of sea shells</i>. American Malacologists, Inc: Melbourne, Florida. [details]
Present Inaccurate Introduced: alien Containing type locality