Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Psoronaias

species Psoronaias distincta (Crosse & Fischer, 1893): synonymy

27 specimens

Synonymy

image of type lot

Unio distinctus Crosse & Fischer, 1893

Crosse & Fischer, 1893. J. de Conch. 41: 110.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(16): 579, pl. 69, figs. 2-2a.
Type(s): HOLOTYPE (MONOTYPY) MNHN_IM-2000-1676, Rio Cosamaloapan, Mexique.

Unio (Psoronaias) semigranosus var. distinctus — Martens (1900)
Unio (sec. Elliptio) (Group of U. semigranosus) distinctus — Simpson (1914)
Psoronaias distinctus — Frierson (1917), Frierson (1927), Haas (1930)
Psoronaias distincta — Haas (1969), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)

Taxonomic History (since 1900)

Unio (Psoronaias) semigranosus var. distinctus — Martens (1900)
Unio (sec. Elliptio) (Group of U. semigranosus) distinctus — Simpson (1914)
Psoronaias distinctus — Frierson (1917), Frierson (1927), Haas (1930)
Psoronaias distincta — Haas (1969), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)