Bithynia curta Locard, 1893 † accepted as Bithynia glabra helvetica (Wenz, 1930) † (status source)
Bulimus glabrus curtus (Locard, 1893) † accepted as Bithynia glabra helvetica (Wenz, 1930) † (status source)
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)
Gyraulus (Gyraulus) trochiformis trochiformis var. elegans (Hilgendorf, 1867) † accepted as Gyraulus trochiformis (Stahl, 1824) † (additional source)
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)
Hydrobia umbilicalis Wenz, 1925 † 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 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)
Neritodonta obtusangula (T. Fuchs, 1870) † accepted as Theodoxus (Calvertia) amblygonioides Wenz, 1930 † represented as Theodoxus amblygonioides Wenz, 1930 † (status source)
Theodoxus (Calvertia) amblygonioides Wenz, 1930 † represented as Theodoxus amblygonioides Wenz, 1930 † (original description)
Theodoxus (Calvertia) obtusangula (T. Fuchs, 1870) † accepted as Theodoxus (Calvertia) amblygonioides Wenz, 1930 † represented as Theodoxus amblygonioides Wenz, 1930 † (status source)

 Nomenclature

 for Gyraulus (Gyraulus) trochiformis trochiformis var. elegans (Hilgendorf, 1867) †

This taxon is a junior homonym of Planorbis elegans Edwards, 1852. Wenz (1930) introduced Gyraulus trochiformis ... [details]

 Nomenclature

 for Hydrobia (Hydrobia) obtusa subdistorta Wenz, 1930 †

Replacement name for the junior homonym Hydrobia obtusa distorta Wenz, 1913, non H. nitens distorta Cossmann, 1888. [details]

 Nomenclature

 for Melanopsis haueri markusevecensis Wenz, 1930 †

Replacement name for the junior homonym Melanopsis austriaca croatica Brusina, 1902, non M. croatica Brusina, 1884. [details]

 Nomenclature

 for Planorbis multiformis var. elegans Hilgendorf, 1867 †

This taxon is a junior homonym of Planorbis elegans Edwards, 1852. Wenz (1930) introduced Gyraulus trochiformis ... [details]

 Nomenclature

 for Theodoxus (Calvertia) amblygonioides Wenz, 1930 †

Replacement name for the junior homonym Neritina obtusangula Fuchs, 1890, non N. obtusangula Krauss, 1852. [details]