species Prolasmidonta heterodon (Lea, 1829): synonymy

Unio heterodon Lea, 1829

Lea, 1829. Trans. Amer. Phil. Soc. 3 [O. 1]: 428, pl. 8, fig. 11.
SYNTYPES ANSP_41004, Schuylkill [River] and Derby [sic] Creek, Pennsylvania.

Alasmidonta (Pressodonta) heterodon — Simpson (1900), Ortmann (1909), Clarke (1981), Graf & Cummings (2007)
Alasmidonta heterodon — Ortmann (1909), Ortmann (1910), Ortmann (1912), Clarke (1970), R.I. Johnson (1980), ... Wu et al. (2021), Hata et al. (2022), Whelan et al. (2023), Hopper et al. (2023), Perkins et al. (2025)
Alasmidonta (Pressodonta) (Group of A. heterodon) heterodon — Simpson (1914)
Alasmidonta (Prolasmidonta) heterodon — Frierson (1927), Haas (1969), Haas (1969), R.I. Johnson (1970)
Alasmodonta (sec. Prolasmidonta) heterodon — Thiele (1934)
Alasmidonta (s.s.) heterodon — Burch (1975)
Prolasmidonta heterodon — Wu et al. (2023), Wu et al. (2024), Wu et al. (2024), Hou et al. (2024), FMCS (2025), Hou et al. (2025), Wang et al. (2025), Campbell & Lydeard (2026), Wu et al. (2026), Wu et al. (2026)