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

nominal species Unio percompressus Martens, 1887

Unio percompressus Martens, 1887 = Psoronaias crocodilorum

Martens, 1887. S.-Ber. Ges. Naturf. Freunde zu Berlin 1887: 107.
Martens, 1900. Biol. Centr.-Amer., Moll.: 496, pl. 32, figs. 1-3.
Type(s): LECTOTYPE ZMB_39463 (by Cummings et al., 2025: 315), Rio de las Salinas, Guatemala.

Taxonomic Opinions

= Psoronaias percompressa (Martens, 1887) — Campbell & Lydeard, 2026: 289.

= Psorula percompressus (Martens, 1887) — Freeman et al., 2025: 246, Table 1.

+ Psoronaias crocodilorum (Morelet, 1849) — Cummings et al., 2025: 315, pl. 64 top left.

= Psoronaias percompressa (Martens, 1887) — Czaja et al., 2023: 88.

= Psoronaias percompressa (Martens, 1887) — Graf & Cummings, 2021: 20.

= Psorula percompressa — Inoue et al., 2020: 460.

= Psorula percompressa (Martens, 1887) — Pfeiffer et al., 2019: 108.

= Psorula percompressa von Martens, 1887 — Bogan, 2010: [web].

= Psorula percompressa (von Martens, 1887) — Graf & Cummings, 2007: 309.

= Psorula percompressa (von Martens, 1887) — Haas, 1969: 321.

= Amblema (Psorula) percompressa Marts. — Haas, 1930: 319.

= Rotundaria percompressa (Martens) — Haas, 1929: 334.

= Psoronaias percompressus (Crosse & Fischer, 1893) [sic] — Frierson, 1927: 64, sp. 278.

= Quadrula (Rotundaria) percompressa (von Martens, 1887) — Simpson, 1914: 912.

= Quadrula (Rotundaria) percompressa (von Martens, 1887) — Simpson, 1900: 796.

= Unio (Psoronaias) percompressus von Martens, 1887 — Martens, 1900: 496, pl. 32, figs. 1-3.

= Unio (Psoronaias) percompressus E. v. Martens, 1887 — Fischer & Crosse, 1894: 576.