Unio decoratus Lea, 1852
Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 257, pl. 13, fig. 6.
Lea, 1852. Proc. Amer. Phil. Soc. 5: 251. [nomen nudum]
Type(s): LECTOTYPE USNM_83972, Abbeville, S. Carolina.

Symphynota (s.s.) decorata — Simpson (1900), Simpson (1914)
Lasmigona (Platynaias) decorata — Frierson (1927), Haas (1969), Clarke (1985), Graf & Cummings (2007)
Lasmigona (Platynaias) subviridis — R.I. Johnson (1970)
Lasmigona subviridis — Burch (1975)
Lasmigona decorata — Turgeon et al. (1988), Williams et al. (1993), IUCN (1996), Bogan (2002), Bogan (2010), ... Williams et al. (2017), Inoue et al. (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023)
Lasmigona decoratus — Turgeon et al. (1998)

Unio charlottensis Lea, 1863
Lea, 1863. Proc. Acad. Nat. Sci. 15: 191.
Lea, 1866. Jour. Acad. Nat. Sci. 6 [O. 11]: 8 [12], pl. 2, fig. 5.
Type(s): HOLOTYPE USNM_85402, near Charlotte, Mecklenburg Co., North Carolina.

Symphynota (s.s.) charlottensis — Simpson (1900), Simpson (1914)
Lasmigona (Platynaias) charlottensis — Frierson (1927), Haas (1969)
Lasmigona (Platynaias) subviridis — R.I. Johnson (1970)
Lasmigona subviridis — Burch (1975)
Lasmigona (Platynaias) decorata — Clarke (1985)

Unio insolidus Lea, 1872
Lea, 1872. Proc. Acad. Nat. Sci. 24: 159.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 40 [44], pl. 13, fig. 37.
Type(s): FIGURED SYNTYPE USNM_83974, Irwin’s Cr., Mechlenburg Co., N.C.

Symphynota (s.s.) decorata — Simpson (1900), Simpson (1914)
Lasmigona (Platynaias) decorata — Frierson (1927), Haas (1969), Clarke (1985)
Lasmigona (Platynaias) subviridis — R.I. Johnson (1970)
Lasmigona subviridis — Burch (1975)