Mytilus demissusDillwyn, 1817, p. 314, [Lister Conch. pl. 358, fig. 196; Enc. Method, pl. 220, fig. 5] [Basis of the current name] Attributed to: Solander MS Type Locality: Carolina; Virginia; other parts of North America Range: 49°N to 30°N; 80°W to 65°W Depth: 0 m (live 0 m) Maximum Reported Size: 100 mm Distribution: Canada: Quebec; USA: Massachusetts, New York, New Jersey, Florida: East Florida Comments: Introduced in the Eastern Pacific.
Modiola plicatula Lamarck, 1819, [Synonym] Maximum Reported Size: 115.5 mm Distribution: USA: Virginia References: B. B. Baker (1951) M
Modiola semi-costataConrad, 1837, p. 244, pl. 20, fig. 7 [Synonym] Type Locality: Massachusetts, near Salem Distribution: USA: Massachusetts References: Bernard (1983) s
Partial List of References
Conrad, T. A. 1837. Descriptions of new marine shells, from Upper California. Collected by Thomas Nuttall, Esq. Journal of the Academy of Natural Sciences of Philadelphia 7 227-268, pls. 17-20. [Stated date: -- Feb 1837.] Dillwyn, L. W. 1817. A descriptive catalogue of recent shells A Descriptive Catalogue of Recent Shells 1-2 xii + 1-580; [iv] + 581-1121. John and Arthur Arch: Cornhill.
