Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Lampsilis

Lea, 1852. Proc. Amer. Phil. Soc. 5: 252. [nomen nudum]
Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 270 [26], pl. 19, fig. 25.
Type(s): HOLOTYPE USNM_85024, Saline R., Arkansas.
Lampsilis (sec. Eurynia) powellii — Simpson (1900)
Lampsilis (Eurynia) powellii — Simpson (1914)
Lampsilis powellii — Utterback (1916), Williams et al. (1993), IUCN (1996), Turgeon et al. (1998), Graf & Cummings (2007), ... Wu et al. (2024), Dai et al. (2024), Dai et al. (2025), Chen et al. (2025), FMCS (2025)
Lampsilis (Ligumia) powellii — Frierson (1927)
Ligumia powellii — Haas (1969)
Lampsilis powelli — R.I. Johnson (1980), Turgeon et al. (1988), Turner et al. (2000), Breton et al. (2011), Haag (2012)
Lampsilis (sec. Eurynia) powellii — Simpson (1900)
Lampsilis (Eurynia) powellii — Simpson (1914)
Lampsilis powellii — Utterback (1916), Williams et al. (1993), IUCN (1996), Turgeon et al. (1998), Graf & Cummings (2007), ... Wu et al. (2024), Dai et al. (2024), Dai et al. (2025), Chen et al. (2025), FMCS (2025)
Lampsilis (Ligumia) powellii — Frierson (1927)
Ligumia powellii — Haas (1969)
Lampsilis powelli — R.I. Johnson (1980), Turgeon et al. (1988), Turner et al. (2000), Breton et al. (2011), Haag (2012)