Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Medionidus Simpson, 1900: synonymy

6 Recent freshwater species (7 total species)

Synonymy

Medionidus Simpson, 1900

Simpson, 1900. Proc. Acad. Nat. Sci. 52: 77.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 588.
Simpson, 1914. Descr. Cat. Naiades: 245.
Type species: Unio conradicus Lea, 1834 (orig. desig.) = Medionidus conradicus

Medonidus Iredale, 1934

Iredale, 1934. Austral. Zool. 8: 76.
(error for Medionidus Simpson, 1900)
Type species: Unio conradicus Lea, 1834 = Medionidus conradicus

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Medionidus, since 1900.

Medionidus — Simpson (1900), Simpson (1900), Ortmann (1912), Simpson (1914), Ortmann (1915), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Hauck et al. (2023), FMCS (2025)
Unio — de Gregorio (1914), Henderson (1935)
Rhabdotophorus — Modell (1957)