↑ Haldeman S. S. (1840). A monograph of the freshwater univalve mollusca of the United States, bao gồm notices of species in other parts of North America 1(2): 34-36. Plate 11.
↑ Conrad T. A. (1834). New fresh water shells of the United States: với coloured illustrations, và a monograph của chi Anculotus of Say: also a synopsis of the American Naiades. Philadelphia. Page 48-49. Plate 8, figure 4.
