Conrad, T.A. 1874. Remarks on the Tertiary clay of the upper Amazon, with descriptions of new shells. Proceedings of the Academy of Natural Sciences of Philadelphia 26: 25-32. Available electronically.
‘Vanbeneden’ Conrad, 1874. Proc. Acad. Nat. Sci. 26: 29.
(error for Dreissena Van Beneden, 1835)
Conrad, 1874. Proc. Acad. Nat. Sci. 26: 29.
(error for Mytilopsis Conrad, 1857)
Type species: Mytilus leucophaeatus Conrad, 1831 = Mytilopsis leucophaeata
Conrad, 1874. Proc. Acad. Nat. Sci. 26: 29, pl. 1, figs. 10, 13.
Conrad, 1874. Proc. Acad. Nat. Sci. 26: 29, pl. 1, fig. 5.
Conrad, 1874. Proc. Acad. Nat. Sci. 26: 29, pl. 1, figs. 12, 16.
+ Dreissena americana Récluz, 1849