Bulimus glabrus helveticus Wenz, 1930 † accepted as Bithynia glabra helvetica (Wenz, 1930) † (original description)
Bythinia gracilis var. curta Locard, 1893 † accepted as Bithynia glabra helvetica (Wenz, 1930) † (status source)
Cochlostoma (Obscurella) Clessin, 1889 accepted as Obscurella Clessin, 1889 (basis of record)
Cochlostoma (Obscurella) prisca Wenz, 1930 † accepted as Obscurella prisca (Wenz, 1930) † (original description)
Gyraulus trochiformis (Stahl, 1824) † (additional source)
Gyraulus trochiformis elegantulus Wenz, 1930 † accepted as Gyraulus trochiformis (Stahl, 1824) † (original description)
Hydrobia (Hydrobia) obtusa (F. Sandberger, 1858) † represented as Hydrobia obtusa (F. Sandberger, 1858) † (basis of record)
Hydrobia (Hydrobia) obtusa subdistorta Wenz, 1930 † accepted as Hydrobia tenuimarginata (Ludwig, 1865) † (original description)
Hydrobia obtusa mut. distorta Wenz, 1913 † accepted as Hydrobia tenuimarginata (Ludwig, 1865) † (status source)
Hydrobia obtusa umbilicalis Wenz, 1925 † (additional source)
Hydrobia obtusa umbilicata Wenz, 1913 † accepted as Hydrobia obtusa umbilicalis Wenz, 1925 † (additional source)
Melanopsis austriaca var. croatica Brusina, 1902 † accepted as Melanopsis haueri markusevecensis Wenz, 1930 † (status source)
Melanopsis haueri markusevecensis Wenz, 1930 † (original description)
Neritina obtusangula T. Fuchs, 1870 † accepted as Theodoxus (Calvertia) amblygonioides Wenz, 1930 † represented as Theodoxus amblygonioides Wenz, 1930 † (status source)
Paludina trochiformis Meek & Hayden, 1856 † accepted as Viviparus meeki Wenz, 1930 † (status source)
Pomatias antiquus K. Miller, 1907 † accepted as Obscurella prisca (Wenz, 1930) † (status source)
Theodoxus (Calvertia) amblygonioides Wenz, 1930 † represented as Theodoxus amblygonioides Wenz, 1930 † (original description)
Valvata (Cincinna) joncheryensis Wenz, 1930 † represented as Valvata joncheryensis Wenz, 1930 † (original description)
Viviparus meeki Wenz, 1930 † (original description)