Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Psoronaias crocodilorum

nominal species Unio usumacintae Martens, 1900

Unio usumacintae Martens, 1900 = Psoronaias crocodilorum

Crosse & Fischer, 1893. J. de Conch. 40: 294 [as ‘usumasintæ’].
Martens, 1900. Biol. Centr.-Amer., Moll.: 500 [as ‘usumacintæ’].
(new name for Unio usumasintae Crosse & Fischer, 1893)

Taxonomic Opinions

+ Psoronaias crocodilorum (Morelet, 1849) — Cummings et al., 2025: 316.

= Psorula usumacintae (Crosse & Fischer, 1892) — Haas, 1969: 322.

= Rotundaria usumacintae (Crosse & Fischer) — Haas, 1929: 339.

= Psoronaias usumacintae Crosse & Fischer, 1892 — Frierson, 1927: 64, sp. 277.

= Unio (Pleurobema) usumacintæ Crosse & Fischer, 1892 — Martens, 1900: 500.