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

Frierson, 1917. Nautilus 31: 48, pl. 7, figs. 1-2.
Frierson, 1927. Check List N. Amer. Naiades: 64, sp. 282.
Type(s): HOLOTYPE (ORIG. DESIG.) ANSP_117094, Kux Creek, Chama, Guatemala.
= Psoronaias kuxensis Frierson, 1917 — Cummings et al., 2025: 324, pl. 67, Table 3, 10.
= Psoronaias kuxensis Frierson, 1917 — Graf & Cummings, 2021: 20.
= Psoronaias kuxensis Frierson, 1917 — Bogan, 2010: [web].
= Psoronaias kuxensis Frierson, 1917 — Graf & Cummings, 2007: 309.
= Psoronaias kuxensis Frierson, 1917 — Haas, 1969: 326.
= Psoronaias kuxensis Frierson — van der Schalie, 1940: 8.
= Psoronaias kuxensis Frierson — Haas, 1930: 319.
= Psoronaias kuxensis (Frierson) — Haas, 1929: 333.
= Psoronaias kuxensis Frierson, 1917 — Frierson, 1927: 64, sp. 282.
= Psoronaias kuxensis n. sp. — Frierson, 1917: 48, pl. 7, figs. 1-2.