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

species Psoronaias guatemalensis (Simpson, 1900): synonymy

16 specimens + 2 GenBank vouchers

Synonymy

Quadrula guatemalensis Simpson, 1900

Simpson, 1900. Proc. Acad. Nat. Sci. 52: 83, pl. 2, fig. 4.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 796.
Simpson, 1914. Descr. Cat. Naiades: 909.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_128991, Usumacinta River, Guatemala.

Quadrula (Rotundaria) guatemalensis — Simpson (1900), Simpson (1914)
Quadrula guatemalensis — Simpson (1900)
Psoronaias guatemalensis — Frierson (1927), Graf & Cummings (2021), Czaja et al. (2023), Campbell & Lydeard (2026)
Amblema (Psorula) guatemalensis — Haas (1930)
Psorula guatemalensis — Haas (1969), Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020), Freeman et al. (2025)
Psoronaias kuxensis — Cummings et al. (2025)

Psoronaias kuxensis Frierson, 1917

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), Frierson (1927), Haas (1929), Haas (1930), van der Schalie (1940), Haas (1969), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Cummings et al. (2025)

Elliptio divaricatus Marshall, 1926

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 — Cummings et al. (2025)

Elliptio (Nephronaias) hermanni Haas, 1929

Haas, 1929. Senckenbergiana 11: 323, figs. 12-13.
Haas, 1969. Das Tierreich 88: 194.
Type(s): HOLOTYPE (ORIG. DESIG.) SMF_3488, Mexico: Arroyo Limón, Staat Tabasco.

Elliptio (Nephronaias) hermanni — Haas (1929)
Nephronaias (s.s.) hermanni — Haas (1969)
Nephronaias hermanni — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Psoronaias kuxensis — Cummings et al. (2025)

Taxonomic History (since 1900)

Quadrula (Rotundaria) guatemalensis — Simpson (1900), Simpson (1914)
Quadrula guatemalensis — Simpson (1900)
Psoronaias kuxensis — Frierson (1917), Frierson (1927), Haas (1929), Haas (1930), van der Schalie (1940), Haas (1969), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Cummings et al. (2025)
Psoronaias guatemalensis — Frierson (1927), Graf & Cummings (2021), Czaja et al. (2023), Campbell & Lydeard (2026)
Elliptio (Nephronaias) hermanni — Haas (1929)
Amblema (Psorula) guatemalensis — Haas (1930)
Psorula guatemalensis — Haas (1969), Graf & Cummings (2007), Bogan (2010), Pfeiffer et al. (2019), Inoue et al. (2020), Freeman et al. (2025)
Nephronaias (s.s.) hermanni — Haas (1969)
Nephronaias hermanni — Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)