Bivalvia | Unionida | Unionoidea | Unionidae
0 Recent freshwater species (1 total species)
Modell, 1931. Palaeontogr. 75: 71.
Modell, 1935. Arch. Moll. 67: 130.
Modell, 1943. Arch. Moll. 75: 109.
Modell, 1964. Arch. Moll. 93: 101.
Type species: Ptychorhynchoideus gümbeli Modell, 1931 (orig. desig.) = Ptychorhynchoideus guembeli
Neave, 1950. Nomen. Zool. 5: 233.
(error for Ptychorhynchoideus Modell, 1931)
Type species: Ptychorhynchoideus gümbeli Modell, 1931 = Ptychorhynchoideus guembeli
The Taxonomic History lists the ways authors have classified the species currently assigned to Ptychorhynchoideus, since 1900.
Ptychorhynchoideus — Modell (1943), Haas (1969)