Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Strophitus
4 specimens + 2 GenBank vouchers

Conrad, 1834. Amer. J. Sci. 25(2): 341, pl. 1, fig. 10.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 263 [as ‘Strophitus radiatus’].
Type(s): LECTOTYPE ANSP_41147, Greene Co., Ala.
Strophitus radiata — Simpson (1900), FMCS (2025)
Strophitus (s.s.) radiata — Simpson (1914)
Strophitus (s.s.) radiatus — Frierson (1927), Haas (1969)
Anodontoides radiatus — R.I. Johnson (1967), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Vidrine (1993), ... Williams et al. (2011), ITIS (2012), Haag (2012), Williams et al. (2014), Williams et al. (2017)
Anodontoides radiata — Turgeon et al. (1998), Huang et al. (2002), Bogan & Raley (2013)
Strophitus radiatus — Smith et al. (2018), Graf & Cummings (2021), FMCS (2021), Whelan et al. (2023), Smith et al. (2023), Hopper et al. (2023), Perkins et al. (2025), Campbell & Lydeard (2026)

Lea, 1858. Proc. Acad. Nat. Sci. 10: 138.
Lea, 1859. Jour. Acad. Nat. Sci. 4 [O. 7]: 226, pl. 31, fig. 108.
Type(s): HOLOTYPE USNM_86257, Uchee bar bel. Columbus, Ga.
Strophitus elliottii — Simpson (1900)
Anodontoides elliottii — Simpson (1914), Clench & Turner (1956)
Strophitus (s.s.) radiatus — Frierson (1927), Haas (1969)
Anodontoides radiatus — R.I. Johnson (1967), Burch (1975), Brim Box & Williams (2000), Williams et al. (2008), Williams et al. (2011), Williams et al. (2014)
Strophitus radiatus — Smith et al. (2018)

Lea, 1859. Proc. Acad. Nat. Sci. 11: 113.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 8]: 106 [110], pl. 18, fig. 254.
Type(s): HOLOTYPE USNM_86258, Columbus, Miss.
Strophitus elliottii — Simpson (1900)
Anodontoides elliottii — Simpson (1914)
Strophitus (s.s.) radiatus — Frierson (1927), Haas (1969)
Anodontoides radiatus — R.I. Johnson (1967), Burch (1975), Brim Box & Williams (2000), Williams et al. (2008)
Strophitus radiatus — Smith et al. (2018)

Lea, 1860. Proc. Acad. Nat. Sci. 12: 307.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 9]: 215 [37], pl. 33, fig. 284.
Type(s): HOLOTYPE USNM_86487, Coosa River, Wetumpka, Ala.
Strophitus edentulus — Simpson (1900)
Anodontoides elliottii — Simpson (1914)
Strophitus (s.s.) radiatus — Frierson (1927), Haas (1969)
Anodontoides radiatus — R.I. Johnson (1967), Burch (1975), Brim Box & Williams (2000), Williams et al. (2008)
Strophitus undulatus — Parmalee & Bogan (1998)
Strophitus radiatus — Smith et al. (2018)
Strophitus radiata — Simpson (1900), FMCS (2025)
Strophitus elliottii — Simpson (1900)
Strophitus edentulus — Simpson (1900)
Strophitus (s.s.) radiata — Simpson (1914)
Anodontoides elliottii — Simpson (1914), Clench & Turner (1956)
Strophitus (s.s.) radiatus — Frierson (1927), Haas (1969)
Anodontoides radiatus — R.I. Johnson (1967), Burch (1975), Turgeon et al. (1988), Williams et al. (1993), Vidrine (1993), ... Williams et al. (2011), ITIS (2012), Haag (2012), Williams et al. (2014), Williams et al. (2017)
Anodontoides radiata — Turgeon et al. (1998), Huang et al. (2002), Bogan & Raley (2013)
Strophitus undulatus — Parmalee & Bogan (1998)
Strophitus radiatus — Smith et al. (2018), Graf & Cummings (2021), FMCS (2021), Whelan et al. (2023), Smith et al. (2023), Hopper et al. (2023), Perkins et al. (2025), Campbell & Lydeard (2026)