Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Pseudodontoideus subvexus

Lea, 1858. Proc. Acad. Nat. Sci. 10: 138.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 8]: 105 [109], pl. 17, fig. 252.
Type(s): HOLOTYPE USNM_86278, Magbys Cr., near Columbus, Miss.
+ Strophitus subvexus (Conrad, 1834) — Williams et al., 2008: 705.
+ Strophitus subvexus (Conrad, 1834) — Brim Box & Williams, 2000: 71.
+ Strophitus subvexa (Conrad, 1834) — Burch, 1975: 173.
= Strophitus (s.s.) spillmanii (Lea, 1858) — Haas, 1969: 376.
+ Strophitus subvexus (Conrad) — R.I. Johnson, 1967: 2.
= Strophitus (Pseudodontoideus) spillmani (Lea, 1858) — Frierson, 1927: 23, sp. 43.
= Strophitus spillmani (Lea, 1858) — Ortmann, 1923: 132.
= Strophitus (s.s.) spillmanii (Lea, 1858) — Simpson, 1914: 352.
= Strophitus spillmanii (Lea, 1858) — Simpson, 1900: 619.
= Margaritana spillmanii Lea — B.H. Wright, 1888: [6].
= Margaritana spillmanii Lea — Lea, 1874: 69, pl. 21, fig. 15.
= Margaron (Margaritana) spillmanii (Lea) — Lea, 1870: 69.
= Unio spillmannii [sic] (Lea, 1858) — Sowerby, 1868: pl. 82, sp. 435.