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nominal species Unio subprimaevus Dyer, 1930

Unio subprimaevus Dyer, 1930 = Quadrula subprimaevus

Dyer, 1930. Bull. Nat. Mus. Can. 63: 7, pl. 3, fig. 2.

Taxonomic Opinions

= Orthonymus subprimaevus (Dyer, 1930) — Modell, 1957: 198.

= Quadrula subprimaevus (Dyer) — Russell, 1934: 2.