MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Thu 22 January 2026
Bivalvia | Unionida | Unionoidea | Unionidae | Ptychorhynchoideus guembeli
nominal species Ptychorhynchoideus gümbeli Modell, 1931
Ptychorhynchoideus gümbeli Modell, 1931 = Ptychorhynchoideus guembeli
Modell, 1931. Palaeontogr. 75: 72, pl. 13, fig. 12; pl. 14, fig. 15g.
Taxonomic Opinions
= Ptychorhynchoideus gümbeli Modell, 1931 — Haas, 1969
= Ptychorhynchoideus gümbeli Modell — Modell, 1943
