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

Marshall, 1926. Proc. U.S. Nat. Mus. 69(2638): 5, pl. 1, figs. 1-2; pl. 3, fig. 3.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_362398, Finca de Providencia, Guatemala.
+ Psoronaias kuxensis Frierson, 1917 — Cummings et al., 2025: 325, pl. 67 middle left.