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

Morelet, 1851. Test. Nov. 2: 25.
Type(s): LECTOTYPE [AS HOLOTYPE] BMNH_93-2-4-2033 (by R.I. Johnson, 1971: 81), Rio Usumacinta, Tabasco.
+ Psoronaias crocodilorum (Morelet, 1849) — Cummings et al., 2025: 314, pl. 63 bottom left.
+ Psoronaias semigranosa (von dem Busch in Philippi, 1843) — Graf & Cummings, 2021: 20.
+ Psoronaias semigranosa (Philippi, 1843) — Pfeiffer et al., 2019: 108.
= Psoronaias psorica Morelet, 1851 — Bogan, 2010: [web].
+ Psoronaias semigranosa (von dem Busch in Philippi, 1845) — Graf & Cummings, 2007: 309.
= Psoronaias psorica (Morelet, 1851) — Haas, 1969: 323.
= Psoronaias psorica (Morelet, 1851) — Haas, 1969: N442, fig. D36:8.
+ Psoronaias semigranosus (von dem Busch, 1845) — Goodrich & van der Schalie, 1937: 43.
= Psoronaias psoricus (Morelet) — Thiele, 1934: 828, [1261].
= Psoronaias psoricus Mor. — Haas, 1930: 319.
= Psoronaias psorica (Morelet) — Haas, 1929: 332.
= Psoronaias semigranosus-psoricus (Morelet, 1851) — Frierson, 1927: 63, sp. 270a.
= Psoronaias psoricus — Frierson, 1917: 48.
= Unio (sec. Elliptio) psoricus Morelet, 1851 — Simpson, 1914: 595.
= Unio (sec. Elliptio) psoricus Morelet, 1851 — Simpson, 1900: 703.
= Unio (Psoronaias) psoricus Morelet, 1851 — Martens, 1900: 494, pl. 31, figs. 1-2.
= Unio (Psoronaias) psoricus Morelet, 1851 — Fischer & Crosse, 1894: 572, pl. 61, fig. 3.
+ — Lea, 1870: 64.
+ — Lea, 1852: 40.