Unio striatus Lea, 1840
Lea, 1840. Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 203 [41], pl. 12, fig. 16.
(homonym of Unio striatus Goldfuss, 1837; renamed Pleurobema simpsoni Vanatta, 1915)
Type(s): HOLOTYPE USNM_84797, Columbus, Ga.

Pleurobema (s.s.) striata — Simpson (1900)
Pleurobema (s.s.) striatum — Simpson (1914), Frierson (1927)
Pleurobema simpsoni — Vanatta (1915), Ortmann & Walker (1922)
Pleurobema modicum — Ortmann (1923)
Pleurobema pyriforme — Clench & Turner (1956), Burch (1975), Brim Box & Williams (2000), Williams et al. (2008), Williams et al. (2014)
Pleurobema striatum — Haas (1969)

Unio bulbosus Lea, 1857
Lea, 1857. Proc. Acad. Nat. Sci. 9: 172.
Lea, 1859. Jour. Acad. Nat. Sci. 4 [O. 7]: 191 [9], pl. 21, fig. 75.
Type(s): HOLOTYPE USNM_84715, Flint R., near Macon, Ga.

Pleurobema (s.s.) bulbosa — Simpson (1900)
Pleurobema (s.s.) bulbosum — Simpson (1914), Frierson (1927)
Pleurobema pyriforme — Clench & Turner (1956), Burch (1975), Brim Box & Williams (2000), Williams et al. (2011), Williams et al. (2014)
Pleurobema bulbosum — Haas (1969), Kandl et al. (2001)

Unio modicus Lea, 1857
Lea, 1857. Proc. Acad. Nat. Sci. 9: 171.
Lea, 1859. Jour. Acad. Nat. Sci. 4 [O. 7]: 204 [22], pl. 24, fig. 86.
Type(s): HOLOTYPE USNM_84787, Chattahoochee R., 10 mi above Columbus, Ga.

Pleurobema (s.s.) modica — Simpson (1900)
Pleurobema (s.s.) modicum — Simpson (1914), Frierson (1927)
Pleurobema simpsoni — Ortmann & Walker (1922)
Pleurobema modicum — Ortmann (1923), Haas (1969)
Pleurobema pyriforme — Clench & Turner (1956), Burch (1975), Brim Box & Williams (2000), Williams et al. (2008), Williams et al. (2011), Williams et al. (2014)

Unio pyriformis Lea, 1857
Lea, 1857. Proc. Acad. Nat. Sci. 9: 31.
Lea, 1858. Jour. Acad. Nat. Sci. 4 [O. 6]: 69, pl. 12, fig. 50.
Type(s): HOLOTYPE USNM_84781, near Columbus, Ga.

Pleurobema (s.s.) pyriformis — Simpson (1900)
Pleurobema (s.s.) pyriforme — Simpson (1914), Frierson (1927)
Pleurobema pyriforme — Clench & Turner (1956), Haas (1969), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), ... Inoue et al. (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Hauck et al. (2023)

Unio amabilis Lea, 1865
Lea, 1865. Proc. Acad. Nat. Sci. 17: 89.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 257 [17], pl. 31, fig. 72.
Type(s): HOLOTYPE USNM_84573, Butler, Taylor Co., Ga.

Unio (sec. Elliptio) amabilis — Simpson (1900)
Pleurobema (s.s.) amabile — Simpson (1914), Frierson (1927)
— Ortmann (1914)
Pleurobema simpsoni — Ortmann & Walker (1922)
Pleurobema modicum — Ortmann (1923)
Pleurobema pyriforme — Clench & Turner (1956), Burch (1975), Brim Box & Williams (2000), Williams et al. (2011), Williams et al. (2014)
Pleurobema amabile — Haas (1969)

Unio litus Lea, 1871
Lea, 1871. Proc. Acad. Nat. Sci. 23: 189.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 17 [21], pl. 5, fig. 13.
Type(s): FIGURED SYNTYPE USNM_85142, Cahawba R., Shelby Co., Ala.

Pleurobema (s.s.) lita — Simpson (1900)
Pleurobema (s.s.) litum — Simpson (1914)
Pleurobema (s.s.) striatum — Frierson (1927)
Pleurobema striatum — Haas (1969)
Pleurobema perovatum — Williams et al. (2008), IUCN (2012)

Unio reclusus B.H. Wright, 1898
B.H. Wright, 1898. Nautilus 11(10): 111.
Type(s): HOLOTYPE USNM_151029, Ocklockonee Riv., Leon Co., Fla.

Pleurobema (s.s.) reclusa — Simpson (1900)
Pleurobema reclusa — Simpson (1900)
Pleurobema (s.s.) reclusum — Simpson (1914)
Pleurobema (s.s.) pyriforme — Frierson (1927)
Pleurobema pyriforme — Clench & Turner (1956), Haas (1969), Burch (1975), Brim Box & Williams (2000), Williams et al. (2011), IUCN (2012), Williams et al. (2014)
Pleurobema reclusum — Kandl et al. (2001)

Unio harperi B.H. Wright, 1899
B.H. Wright, 1899. Nautilus 13: 6.
Type(s): HOLOTYPE USNM_159197, [Spring Cr., Decatur Co.]. Ga.

Pleurobema (s.s.) harperi — Simpson (1900), Simpson (1914), Frierson (1927)
Pleurobema harperi — Simpson (1900), Haas (1969)
Pleurobema pyriforme — Clench & Turner (1956), Burch (1975), Brim Box & Williams (2000), Williams et al. (2011), Williams et al. (2014)

Pleurobema simpsoni Vanatta, 1915
Vanatta, 1915. Proc. Acad. Nat. Sci. 67: 559.
(new name for Unio striatus Lea, 1840)

Pleurobema simpsoni — Vanatta (1915), Ortmann & Walker (1922)
Pleurobema (s.s.) striatum — Frierson (1927)
Pleurobema pyriforme — Clench & Turner (1956), Burch (1975), Brim Box & Williams (2000), Williams et al. (2008), Williams et al. (2011), Williams et al. (2014)
Pleurobema striatum — Haas (1969)

Unio strictus Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 26.
(error for Unio striatus Lea, 1840)