Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Fusconaia

species Fusconaia mitchelli (Simpson in Dall, 1895): synonymy

25 specimens + 9 GenBank vouchers

Synonymy

Unio mitchelli Simpson in Dall, 1895

Simpson in Dall, 1895. Proc. U.S. Nat. Mus. 18: 5.
Simpson, 1896. Proc. U.S. Nat. Mus. 18: 371, pl. 32, figs. 1-3.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 711.
Simpson, 1914. Descr. Cat. Naiades: 622.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_128364 (by R.I. Johnson, 1975: 15), Guadalupe R., Victoria Co., Texas.

Unio (sec. Elliptio) mitchelli — Simpson (1900)
Unio (sec. Elliptio) (Group of U. pigerrimus) mitchelli — Simpson (1914)
Elliptio (Barynaias) tamaulipasensis — Frierson (1927)
Nephronaias (Sphenonaias) taumilapana — Haas (1969)
Quincuncina mitchelli — Turgeon et al. (1988), Williams et al. (1993), Howells et al. (1996), Turgeon et al. (1998), R.I. Johnson (1999), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Quadrula mitchelli — Bogan (2010), Haag (2012)
Fusconaia mitchelli — IUCN (2014), Pfeiffer et al. (2016), Williams et al. (2017), Inoue et al. (2018), Pieri et al. (2018), ... Czaja et al. (2023), Hopper et al. (2023), FMCS (2025), Cummings et al. (2025), Campbell & Lydeard (2026)
“Fusconaia mitchelli” ** — Pfeiffer et al. (2016), Inoue et al. (2018)

Unio (sec. Elliptio) mitchelli var. elongatus Simpson, 1914

(homonym of Unio elongata Lamarck, 1819; intro'd as intra-sp. of Unio mitchelli Simpson in Dall, 1895)
Simpson, 1914. Descr. Cat. Naiades: 623.
Type(s): LECTOTYPE USNM_251917 (by R.I. Johnson, 1975: 12), Guadalupe River, near Kerrville, Texas.

Unio (sec. Elliptio) (Group of U. pigerrimus) mitchelli var. elongatus — Simpson (1914)
Elliptio (Barynaias) tamaulipasensis-elongatus — Frierson (1927)
Nephronaias (Sphenonaias) taumilapana — Haas (1969)
Quincuncina mitchelli — Howells et al. (1996), R.I. Johnson (1999)
Fusconaia mitchelli — Smith et al. (2020), Cummings et al. (2025)

Quincuncina guadalupensis Wurtz, 1950

Wurtz, 1950. Notulae Naturae (224): 2, figs. 1-5.
Type(s): HOLOTYPE (MONOTYPY) ANSP_185974, Guadalupe R., Seguin, Guadalupe Co., Texas.

Quincuncina guadalupensis — Burch (1975)
Quincuncina mitchelli — Howells et al. (1996), R.I. Johnson (1999)
Fusconaia mitchelli — Smith et al. (2020), Cummings et al. (2025)

Taxonomic History (since 1900)

Unio (sec. Elliptio) mitchelli — Simpson (1900)
Unio (sec. Elliptio) (Group of U. pigerrimus) mitchelli — Simpson (1914)
Unio (sec. Elliptio) (Group of U. pigerrimus) mitchelli var. elongatus — Simpson (1914)
Elliptio (Barynaias) tamaulipasensis — Frierson (1927)
Elliptio (Barynaias) tamaulipasensis-elongatus — Frierson (1927)
Nephronaias (Sphenonaias) taumilapana — Haas (1969)
Quincuncina guadalupensis — Burch (1975)
Quincuncina mitchelli — Turgeon et al. (1988), Williams et al. (1993), Howells et al. (1996), Turgeon et al. (1998), R.I. Johnson (1999), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Quadrula mitchelli — Bogan (2010), Haag (2012)
Fusconaia mitchelli — IUCN (2014), Pfeiffer et al. (2016), Williams et al. (2017), Inoue et al. (2018), Pieri et al. (2018), ... Czaja et al. (2023), Hopper et al. (2023), FMCS (2025), Cummings et al. (2025), Campbell & Lydeard (2026)
“Fusconaia mitchelli” ** — Pfeiffer et al. (2016), Inoue et al. (2018)