Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Hamiota
3 specimens + 5 Genbank vouchers

Conrad, 1834. New Fresh-Water Shells: 43, pl. 2, fig. 2.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 254.
Type(s): HOLOTYPE ANSP_56416, Alabama R.
Lampsilis (s.s.) perovalis — Simpson (1900), Simpson (1914), Frierson (1927), Haas (1969)
Lampsilis perovalis — Turgeon et al. (1988), Williams et al. (1993), IUCN (1996), Turgeon et al. (1998), Lydeard et al. (1999), Roe et al. (2002), Jones et al. (2005), Campbell et al. (2005), ITIS (2012)
Hamiota perovalis — Roe & Hartfield (2005), Zanatta & Murphy (2006), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Hauck et al. (2023), FMCS (2025)

Lea, 1852. Proc. Amer. Phil. Soc. 5: 252. [nomen nudum]
Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 279 [35], pl. 23, fig. 38.
Type(s): HOLOTYPE USNM_85152, Alabama.
Lampsilis (sec. Eurynia) hydianus — Simpson (1900)
Lampsilis (Eurynia) hydiana — Simpson (1914)
Lampsilis (Ligumia) fasciata-hydiana — Frierson (1927)
Ligumia siliquoidea straminea — Haas (1969)
Lampsilis hydiana — R.I. Johnson (1980)
Hamiota perovalis — Williams et al. (2008)

Lea, 1861. Proc. Acad. Nat. Sci. 13: 39.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 8]: 98 [102], pl. 15, fig. 246.
Type(s): HOLOTYPE USNM_84925, Columbus, Mississippi.
Lampsilis (s.s.) clarkianus — Simpson (1900)
Lampsilis (s.s.) clarkiana — Simpson (1914)
Lampsilis (s.s.) spillmani — Frierson (1927)
Lampsilis (s.s.) spillmanii — Haas (1969)
Lampsilis altilis — Parmalee & Bogan (1998)
Hamiota perovalis — Roe & Hartfield (2005), Williams et al. (2008)
Lampsilis (s.s.) perovalis — Simpson (1900), Simpson (1914), Frierson (1927), Haas (1969)
Lampsilis (sec. Eurynia) hydianus — Simpson (1900)
Lampsilis (s.s.) clarkianus — Simpson (1900)
Lampsilis (s.s.) clarkiana — Simpson (1914)
Lampsilis (Eurynia) hydiana — Simpson (1914)
Lampsilis (s.s.) spillmani — Frierson (1927)
Lampsilis (Ligumia) fasciata-hydiana — Frierson (1927)
Ligumia siliquoidea straminea — Haas (1969)
Lampsilis (s.s.) spillmanii — Haas (1969)
Lampsilis hydiana — R.I. Johnson (1980)
Lampsilis perovalis — Turgeon et al. (1988), Williams et al. (1993), IUCN (1996), Turgeon et al. (1998), Lydeard et al. (1999), Roe et al. (2002), Jones et al. (2005), Campbell et al. (2005), ITIS (2012)
Lampsilis altilis — Parmalee & Bogan (1998)
Hamiota perovalis — Roe & Hartfield (2005), Zanatta & Murphy (2006), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Hauck et al. (2023), FMCS (2025)