species Fusconaia cor (Conrad, 1834): synonymy

Unio cor Conrad, 1834

Conrad, 1834. New Fresh-Water Shells: 28, pl. 3, fig. 3.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 247.
Type(s): FIGURED SYNTYPE MCZ_178792, Elk and Flint Rivers, Alabama.

Pleurobema (s.s.) cor — Simpson (1900), Simpson (1914)
Fusconaia cor — Ortmann (1918), Ortmann & Walker (1922), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), ... FMCS (2021), Hopper et al. (2023), Hauck et al. (2023), FMCS (2025), Schilling et al. (2025)
Quadrula (Pleuronaia) cor — Frierson (1927), Haas (1969)

Unio edgarianus Lea, 1840

Lea, 1840. Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 214 [52], pl. 15, fig. 30.
Type(s): HOLOTYPE USNM_84685, Tenn R., Florence, Ala.

Pleurobema (s.s.) edgarianus — Simpson (1900)
Pleurobema (s.s.) edgarianum — Simpson (1914)
Unio edgarianus — de Gregorio (1914)
Fusconaia cor — Ortmann (1918), Ortmann & Walker (1922), Burch (1975), Parmalee & Bogan (1998), Williams et al. (2008), IUCN (2012)
Fusconaia edgariana — Ortmann (1924), Ortmann (1925), R.I. Johnson (1980), ITIS (2012)
Quadrula (Pleuronaia) cor — Frierson (1927), Haas (1969)
Fusconaia edgarianus — Stansbery (1970)

Unio edgarianus Reeve, 1864

‘Lea’ Reeve, 1864. Conch. Icon. 16: pl. 15, sp. 65.
(reference to Unio edgarianus Lea, 1840)

Pleurobema (s.s.) edgarianus — Simpson (1900)
Fusconaia cor analoga — Ortmann (1918)
Quadrula (Pleuronaia) analogia [sic] — Frierson (1927)

Unio obuncus Lea, 1871

Lea, 1871. Proc. Acad. Nat. Sci. 23: 192.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 9 [13], pl. 2, fig. 5.
Type(s): FIGURED SYNTYPE USNM_84698, Holston R., E. Tenn.

Pleurobema (s.s.) edgarianus — Simpson (1900)
Pleurobema (s.s.) edgarianum — Simpson (1914)
Fusconaia cor — Ortmann (1918), Ortmann & Walker (1922), Burch (1975), Parmalee & Bogan (1998), Williams et al. (2008)
Quadrula (Pleuronaia) cor — Frierson (1927), Haas (1969)

Unio andersonensis Lea, 1872

Lea, 1872. Proc. Acad. Nat. Sci. 24: 155.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 36 [40], pl. 12, fig. 33.
Type(s): FIGURED SYNTYPE USNM_84691, Holston R., E Tenn.

Pleurobema (s.s.) edgarianus — Simpson (1900)
Pleurobema (s.s.) edgarianum — Simpson (1914)
Fusconaia cor — Ortmann (1918), Ortmann & Walker (1922), Burch (1975), Parmalee & Bogan (1998), Williams et al. (2008)
Quadrula (Pleuronaia) cor — Frierson (1927), Haas (1969)

Fusconaia cor var. analoga Ortmann, 1918

‘Lea’ Reeve, 1864. Conch. Icon. 16: pl. 15, sp. 65 [as ‘Unio edgarianus’].
Ortmann, 1918. Proc. Amer. Phil. Soc. 57(6): 533.
Ortmann, 1924. Amer. Midl. Nat. 9(1): 43.
(intro'd as intra-sp. of Unio cor Conrad, 1834)
Type(s): LECTOTYPE CM_61.6326, Clinch River, Speer’s Ferry, Scott Co., Virginia.

Fusconaia cor analoga — Ortmann (1918)
Fusconaia edgariana analoga — Ortmann (1924), Ortmann (1925)
Quadrula (Pleuronaia) analogia [sic] — Frierson (1927)
Quadrula (Pleuronaia) analoga — Haas (1969)
Fusconaia cor — Burch (1975), Parmalee & Bogan (1998), Williams et al. (2008)
Fusconaia edgariana — R.I. Johnson (1980)

Quadrula (Pleuronaia) analogia Frierson, 1927

‘Ortmann’ Frierson, 1927. Check List N. Amer. Naiades: 60, sp. 261.
(error for Fusconaia cor var. analoga Ortmann, 1918)

Fusconaia cor — Parmalee & Bogan (1998)

Unio andorsonensis de Gregorio, 1914

‘Lea’ de Gregorio, 1914. Il Nat. Siciliano 2: 50.
(error for Unio andersonensis Lea, 1872)