Bithynia giralanensis Oppenheim, 1919 † (original description)
Bithynia pisidica Oppenheim, 1919 † (original description)
Clanculus (Clanculopsis) granifer (Pantanelli, 1888) † represented as Clanculus granifer (Pantanelli, 1888) † (basis of record)
Dreissensia lycophila Oppenheim, 1919 † accepted as Dreissena lycophila Oppenheim, 1919 † (original description)
Fluminicola (Gillia) W. Stimpson, 1865 accepted as Gillia W. Stimpson, 1865 (basis of record)
Fluminicola (Gillia) lycica Oppenheim, 1919 † accepted as Staja lycica (Oppenheim, 1919) † (original description)
Helix (Galactochilus) phrygomysica Oppenheim, 1919 † accepted as Caucasotachea phrygomysica (Oppenheim, 1919) † (original description)
Limnaea aegaea Oppenheim, 1919 † accepted as Corymbina aegaea (Oppenheim, 1919) † (original description)
Limnaea pergamenica Oppenheim, 1919 † accepted as Radix (Radix) pergamenica (Oppenheim, 1919) † represented as Radix pergamenica (Oppenheim, 1919) † (original description)
Limnaea phrygoovata Oppenheim, 1919 † accepted as Radix phrygoovata (Oppenheim, 1919) † (original description)
Limnaea phrygopalustris Oppenheim, 1919 † accepted as Galba phrygopalustris (Oppenheim, 1919) † (original description)
Lithoglyphus phrygicus Oppenheim, 1919 † (original description)
Melania carica Oppenheim, 1919 † accepted as Melanoides tuberculata dadiana (Oppenheim, 1919) † (original description)
Melania dadiana Oppenheim, 1919 † accepted as Melanoides tuberculata dadiana (Oppenheim, 1919) † (original description)
Neritina bukowskii Oppenheim, 1919 † accepted as Theodoxus bukowskii (Oppenheim, 1919) † (original description)
Neritina denisluensis Oppenheim, 1919 † accepted as Theodoxus (Theodoxus) denisluensis (Oppenheim, 1919) † represented as Theodoxus denisluensis (Oppenheim, 1919) † (original description)
Neritina percarinata Oppenheim, 1919 † accepted as Theodoxus percarinatus (Oppenheim, 1919) † (original description)
Pisidium crassissimum Oppenheim, 1919 † (original description)
Pisidium dagardiense Oppenheim, 1919 † accepted as Sphaerium dagardiense (Oppenheim, 1919) † (original description)
Planorbis subverticillus Oppenheim, 1919 † accepted as Gyraulus (Gyraulus) subverticillus (Oppenheim, 1919) † represented as Gyraulus subverticillus (Oppenheim, 1919) † (original description)
Prososthenia erythraeensis Oppenheim, 1919 † (original description)
Prososthenia phrygica Oppenheim, 1919 † accepted as Micromelania phrygica (Oppenheim, 1919) † (original description)
Prososthenia sublaevis Oppenheim, 1919 † accepted as Micromelania phrygica (Oppenheim, 1919) † (original description)
Pupa phrygica Oppenheim, 1919 † (original description)
Valvata pisidica Oppenheim, 1919 † (original description)
Vivipara bukowskii Oppenheim, 1919 † accepted as Viviparus bukowskii Oppenheim, 1919 † (original description)