Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Popenaias
65 specimens + 21 Genbank vouchers

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 534, pl. 26, figs. 7-9.
Type(s): LECTOTYPE ANSP_99542, Ganina R., 3 mi SW San Dieguito, S.L. Potosi, Mex.
Lampsilis semirasa — Pilsbry (1910), Simpson (1914)
Lampsilis (Friersonia) semirasa — Frierson (1927)
Friersonia iridella — Haas (1969)
Popenaias ganina — Inoue et al. (2020)
Popenaias semirasa — Czaja et al. (2023), Cummings et al. (2025)

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 539, pl. 27, fig. 6.
(intro'd as intra-sp. of Unio metallicus Say, 1831)
Type(s): LECTOTYPE [AS HOLOTYPE] ANSP_99523A (by Johnson & Baker, 1973: 156), Ganina River, 3 mi SW San Dieguito, Mexico.
Lampsilis metallica ganina — Pilsbry (1910)
Lampsilis (Proptera) metallicus var. ganinus — Simpson (1914)
Elliptio (Popenaias) metallicus-ganinus — Frierson (1927)
Elliptio (Popenaias) metallicus var. ganinus — Haas (1929)
Nephronaias (Popenaias) metallica — Haas (1969)
Popenaias ganina — Inoue et al. (2020), Czaja et al. (2023)
Popenaias semirasa — Cummings et al. (2025)
‘Pilsbry’ Haas, 1929. Senckenbergiana 11: 330. [nomen nudum]
(intro'd as intra-sp. of Unio popeii Lea, 1857)
Elliptio (Popenaias) popei — Haas (1929)
Popenaias ganina — Inoue et al. (2020)
Popenaias semirasa — Cummings et al. (2025)
Lampsilis semirasa — Pilsbry (1910), Simpson (1914)
Lampsilis metallica ganina — Pilsbry (1910)
Lampsilis (Proptera) metallicus var. ganinus — Simpson (1914)
Elliptio (Popenaias) metallicus-ganinus — Frierson (1927)
Lampsilis (Friersonia) semirasa — Frierson (1927)
Elliptio (Popenaias) popei — Haas (1929)
Elliptio (Popenaias) metallicus var. ganinus — Haas (1929)
Friersonia iridella — Haas (1969)
Nephronaias (Popenaias) metallica — Haas (1969)
Popenaias ganina — Inoue et al. (2020), Czaja et al. (2023)
Popenaias semirasa — Czaja et al. (2023), Cummings et al. (2025)