Unio furvus Conrad, 1834
Conrad, 1834. New Fresh-Water Shells: 39, pl. 6, fig. 3.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 250.

Pleurobema (s.s.) furva — Simpson (1900)
Pleurobema (s.s.) furvum — Simpson (1914), Frierson (1927)
Pleurobema furvum — Haas (1969), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), IUCN (1996), ... Campbell & Lydeard (2012), ITIS (2012), Burlakova et al. (2012), Perkins et al. (2017), Inoue et al. (2018)
Pleurobema rubellum — Williams et al. (2008), IUCN (2012), Williams et al. (2017), Graf & Cummings (2021)

Unio rubellus Conrad, 1834
Conrad, 1834. New Fresh-Water Shells: 38, pl. 6, fig. 2.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 257.

Pleurobema (s.s.) rubella — Simpson (1900)
Pleurobema (s.s.) rubellum — Simpson (1914), Frierson (1927)
Pleurobema rubellum — Haas (1969), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Parmalee & Bogan (1998), ... Burlakova et al. (2019), Graf & Cummings (2021), FMCS (2021), Morrison et al. (2021), Hopper et al. (2023)

Unio pulvinulus Lea, 1845
Lea, 1845. Proc. Amer. Phil. Soc. 4: 164.
Lea, 1848. Trans. Amer. Phil. Soc. 10 [O. 4]: 81 [55], pl. 8, fig. 24.
Type(s): HOLOTYPE USNM_84838, Tuscaloosa, Alabama.

Pleurobema (s.s.) rubella — Simpson (1900)
Pleurobema (s.s.) rubellum — Simpson (1914)
Pleurobema (s.s.) pulvinulum — Frierson (1927)
Pleurobema pulvinulum — Haas (1969)
Pleurobema rubellum — Parmalee & Bogan (1998), Williams et al. (2008)

Pleurobema avellana Simpson, 1900
Simpson, 1900. Proc. Acad. Nat. Sci. 52: 81, pl. 2, figs. 6-7.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 758.
Simpson, 1914. Descr. Cat. Naiades: 778.
Type(s): HOLOTYPE UMMZ_79653, Cahaba River, Alabama.

Pleurobema (s.s.) avellana — Simpson (1900), Simpson (1914), Frierson (1927)
Pleurobema avellana — Simpson (1900), Haas (1969)
Pleurobema avellanum — Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Lydeard et al. (1999), IUCN (2000), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Pleurobema rubellum — Williams et al. (2008), Williams et al. (2017), Graf & Cummings (2021)

Unio (Pleurobema) hagleri Frierson, 1900
Frierson, 1900. Nautilus 13(10): 109, pl. 2.
Frierson, 1927. Check List N. Amer. Naiades: 41, sp. 169.
Type(s): LECTOTYPE ANSP_77902, North River, nr. Tynes, Ala.

Pleurobema (s.s.) hagleri — Simpson (1900), Simpson (1914), Frierson (1927)
Pleurobema hagleri — Ortmann (1923), Haas (1969), Burch (1975), Turgeon et al. (1998), Lydeard et al. (1999), IUCN (2000), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Pleurobema rubellum — Williams et al. (2008), Williams et al. (2017), Graf & Cummings (2021)

Pleurobema (s.s.) fictum Frierson, 1927
Frierson, 1927. Check List N. Amer. Naiades: 43, sp. 195.
Frierson, 1928. Nautilus 41(4): 139, pl. 3, figs. 2-2a.
Type(s): HOLOTYPE UMMZ_80791, Cahaba River, Alabama.

Pleurobema (s.s.) fictum — Frierson (1927)
Pleurobema fictum — Haas (1969)
Pleurobema rubellum — Williams et al. (2008)