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

species Psoronaias semigranosa (von dem Busch in Philippi, 1843): synonymy

31 specimens

Synonymy

Unio semigranosus von dem Busch in Philippi, 1843

von dem Busch in Philippi, 1843. Abbild. Beschr. Conch. 1: 19, pl. 1, figs. 1-3.
Type(s): LECTOTYPE MCZ_152861 (by Cummings et al., 2025: 332), near Tampico, Mexico.

Unio (sec. Elliptio) semigranosus — Simpson (1900), Simpson (1914)
Unio (Psoronaias) semigranosus — Martens (1900)
Quadrula semigranosa — Pilsbry (1910)
Psoronaias semigranosus — Frierson (1917), Frierson (1927), Haas (1930), Goodrich & van der Schalie (1937)
Psoronaias semigranosa — Haas (1929), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)
Psoronaias semigranosa semigranosa — Haas (1969)
“Psoronaias semigranosa” ** — Pfeiffer et al. (2019), Pfeiffer et al. (2019), Inoue et al. (2020), Smith et al. (2020), Freeman et al. (2025), Campbell & Lydeard (2026)

Elliptio herrerae Marshall, 1923

Marshall, 1923. Proc. U.S. Nat. Mus. 63(2485): 1, pl. 1, figs. 6-8; pl. 2, figs. 4-5; pl. 3.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_347183, Estera del Avileno, Tamaulipas, Mexico.

Psoronaias herrerae — Frierson (1927), Haas (1929), Haas (1930), Haas (1969), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Elliptio herrerae — Contreras-Arquieta (2000)
Psoronaias semigranosa — Cummings et al. (2025)

Taxonomic History (since 1900)

Unio (sec. Elliptio) semigranosus — Simpson (1900), Simpson (1914)
Unio (Psoronaias) semigranosus — Martens (1900)
Quadrula semigranosa — Pilsbry (1910)
Psoronaias semigranosus — Frierson (1917), Frierson (1927), Haas (1930), Goodrich & van der Schalie (1937)
Psoronaias herrerae — Frierson (1927), Haas (1929), Haas (1930), Haas (1969), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Psoronaias semigranosa — Haas (1929), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)
Psoronaias semigranosa semigranosa — Haas (1969)
Elliptio herrerae — Contreras-Arquieta (2000)
“Psoronaias semigranosa” ** — Pfeiffer et al. (2019), Pfeiffer et al. (2019), Inoue et al. (2020), Smith et al. (2020), Freeman et al. (2025), Campbell & Lydeard (2026)