Bivalvia

nominal species Unio rusticus Sowerby, 1868

Unio rusticus Sowerby, 1868 = nomen dubium

specimen image from publication‘Lea’ Sowerby, 1868. Conch. Icon. 16: pl. 64, sp. 324; errata.
(homonym of Unio rusticus Lea, 1856; renamed Psoronaias plexoideus Frierson, 1927)
Type(s): TYPE LOST BMNH_XXX, Siam.

Taxonomic Opinions

+ — Cummings et al., 2025: 397.

+ Barynaias plexus (Conrad, 1838) — Haas, 1969: 247.

+ Psoronaias plexoideus Frierson, 1927 — Frierson, 1927: 63.

+ Unio (sec. Elliptio) crocodilarum [sic] Morelet, 1849 — Simpson, 1914: 591.

+ Unio (sec. Elliptio) crocodilarum [sic] Morelet, 1849 — Simpson, 1900: 702.