Unio cariosa Lamarck, 1819
Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 80, sp. 44, var. 2. [in part]
(misidentified reference to Unio cariosus Say, 1817)

Alasmidonta (Rugifera) marginata — Simpson (1900)
Alasmidonta (Rugifera) varicosa — Simpson (1914)

Unio varicosa Lamarck, 1819
Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 78, sp. 36.
Type(s): TYPE LOCALITY TYPE_LOCALITY_MP_002, la rivière de Schuglkill [Schuylkill], pres de Philadelphie [Philadelphia Co., Pennsylvania].

Alasmidonta (Rugifera) marginata — Simpson (1900)
Alasmidonta marginata var. varicosa — Ortmann (1909), Ortmann (1910)
Alasmidonta (Rugifera) marginata varicosa — Ortmann (1909)
Alasmidonta (Rugifera) varicosa — Simpson (1914)
Alasmidonta (Decurambis) varicosa — Ortmann & Walker (1922), R.I. Johnson (1970), Clarke (1981), Graf & Cummings (2007)
Decurambis marginata-varicosa — Frierson (1927)
Alasmidonta (Decurambis) marginata — Haas (1969)
Alasmidonta (s.s.) varicosa — Burch (1975)
Alasmidonta varicosa — R.I. Johnson (1980), Turgeon et al. (1988), Williams et al. (1993), Strayer & Jirka (1997), Turgeon et al. (1998), ... Wu et al. (2023), Wu et al. (2024), Wu et al. (2024), Wu et al. (2024), Hou et al. (2024)

Alasmodon corrugata De Kay, 1843
De Kay, 1843. Zool. New York 5: 198, pl. 24, figs. 259.
Type(s): TYPE LOCALITY TYPE_LOCALITY_MP_003, Passaic River.

Alasmidonta (Rugifera) marginata — Simpson (1900)
Alasmidonta (Rugifera) varicosa — Simpson (1914)
Alasmidonta (Decurambis) varicosa — Ortmann & Walker (1922), R.I. Johnson (1970), Clarke (1981)
Decurambis marginata — Frierson (1927)
Alasmidonta (Decurambis) marginata — Haas (1969)
Alasmidonta (s.s.) varicosa — Burch (1975)
Alasmidonta marginata — Oesch (1984)
Alasmidonta varicosa — Strayer & Jirka (1997)

Alasmodon marginata De Kay, 1843
De Kay, 1843. Zool. New York 5: 196, pl. 14, fig. 225.
(misidentified reference to Alasmidonta marginata Say, 1818)

Alasmidonta (Rugifera) marginata — Simpson (1900)
Decurambis marginata-varicosa — Frierson (1927)