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nominal species Plethobasus cooperianus Utterback, 1915

Plethobasus cooperianus Utterback, 1915 = Cyclonaias tuberculata

(misidentified reference to Unio cooperianus Lea, 1834)
‘Lea’ Utterback, 1915. Amer. Midl. Nat. 4(5): 183, pl. 20, fig. 57a-b.

Taxonomic Opinions

+ Cyclonaias tuberculata (Rafinesque, 1820) — Watters et al., 2009: 65.

+ Cyclonaias tuberculata (Rafinesque, 1820) — Parmalee & Bogan, 1998: 67.

+ Cyclonaias tuberculata utterbackiana (Frierson) — Haas, 1969: 607.

+ Quadrula (Cyclonaias) tuberculata-utterbackiana Frierson, 1927 — Frierson, 1927: 52.