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

Morelet, 1849. Test. Nov. 1: 28.
Type(s): LECTOTYPE [AS HOLOTYPE] BMNH_94-3-22-1 (by R.I. Johnson, 1971: 96), flumen Usumacinta, Guatemala.
+ Psoronaias crocodilorum (Morelet, 1849) — Cummings et al., 2025
= Psoronaias testudinarea [sic] Morelet, 1849 — Bogan, 2010
= Psoronaias testudinea (Morelet, 1849) — Haas, 1969
= Psoronaias testudineus Mor. — Haas, 1930
= Psoronaias testudinea (Morelet) — Haas, 1929
+ Psoronaias semigranosus (von dem Busch, 1845) — Frierson, 1927
= Unio (sec. Elliptio) testudineus Morelet, 1849 — Simpson, 1914
= Unio (sec. Elliptio) testudineus Morelet, 1849 — Simpson, 1900
= Unio (Psoronaias) semigranosus var. testudineus Morelet, 1849 — Martens, 1900
= Unio (Psoronaias) testudineus A. Morelet, 1849 — Fischer & Crosse, 1894
+ — Lea, 1870
= Unio testudineus Morelet, 1849 — Reeve, 1865
+ — Lea, 1852
= Unio testudineus — Morelet, 1849