Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Hamiota
4 specimens + 5 GenBank vouchers

Conrad, 1834. New Fresh-Water Shells: 43, pl. 2, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 244.
Type(s): HOLOTYPE ANSP_56419, Ogeechee R., Ga.
Lampsilis (s.s.) altilis — Simpson (1900), Simpson (1914), Frierson (1927), Haas (1969)
Lampsilis altilis — Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Parmalee & Bogan (1998), Turgeon et al. (1998), Lydeard et al. (1999), Roe et al. (2002), Jones et al. (2005), Campbell et al. (2005), ITIS (2012), Szumowski et al. (2012)
Hamiota altilis — Roe & Hartfield (2005), Zanatta & Murphy (2006), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)

Lea, 1852. Proc. Amer. Phil. Soc. 5: 251. [nomen nudum]
Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 273, pl. 21, fig. 30.
Type(s): SYNTYPE ANSP_126052, Tenn.
Lampsilis (s.s.) clarkianus — Simpson (1900)
Lampsilis (s.s.) clarkiana — Simpson (1914)
Lampsilis (s.s.) altilis — Frierson (1927), Haas (1969)
Lampsilis altilis — Parmalee & Bogan (1998)
Hamiota altilis — Roe & Hartfield (2005), Williams et al. (2008)

Lea, 1862. Proc. Acad. Nat. Sci. 14: 168.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 9]: 208 [30], pl. 31, fig. 277.
Type(s): HOLOTYPE USNM_25711, Chattanooga, Ga.
Lampsilis (s.s.) gerhardtii — Simpson (1900), Simpson (1914)
Lampsilis (s.s.) spillmani — Frierson (1927)
Lampsilis (s.s.) spillmanii — Haas (1969)
Lampsilis altilis — Parmalee & Bogan (1998)
Hamiota altilis — Roe & Hartfield (2005), Williams et al. (2008)

Lea, 1865. Proc. Acad. Nat. Sci. 17: 88.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 260 [20], pl. 32, fig. 75.
Type(s): HOLOTYPE USNM_84936, Etowah R., Georgia.
Lampsilis (s.s.) doliaris — Simpson (1900), Simpson (1914)
Lampsilis (s.s.) perovalis — Frierson (1927), Haas (1969)
Lampsilis altilis — Parmalee & Bogan (1998)
Hamiota altilis — Roe & Hartfield (2005)
Lampsilis ornata — Williams et al. (2008)
Lampsilis (s.s.) altilis — Simpson (1900), Simpson (1914), Frierson (1927), Haas (1969)
Lampsilis (s.s.) clarkianus — Simpson (1900)
Lampsilis (s.s.) gerhardtii — Simpson (1900), Simpson (1914)
Lampsilis (s.s.) doliaris — Simpson (1900), Simpson (1914)
Lampsilis (s.s.) clarkiana — Simpson (1914)
Lampsilis (s.s.) spillmani — Frierson (1927)
Lampsilis (s.s.) perovalis — Frierson (1927), Haas (1969)
Lampsilis (s.s.) spillmanii — Haas (1969)
Lampsilis altilis — Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Parmalee & Bogan (1998), Turgeon et al. (1998), Lydeard et al. (1999), Roe et al. (2002), Jones et al. (2005), Campbell et al. (2005), ITIS (2012), Szumowski et al. (2012)
Hamiota altilis — Roe & Hartfield (2005), Zanatta & Murphy (2006), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)
Lampsilis ornata — Williams et al. (2008)