Buliminus hassiacus Wenz, 1919 † accepted as Ena turgidula (F. Sandberger, 1872) † (original description)
Cionella exigua K. Miller, 1907 † accepted as Cochlicopa milleri Wenz, 1919 † (status source)
Clausilia manca Wenz, 1919 † accepted as Canalicia manca (Wenz, 1919) † (original description)
Clausilia wetzleri K. Miller, 1907 † accepted as Clausilia manca Wenz, 1919 † accepted as Canalicia manca (Wenz, 1919) † (new combination reference)
Cochlicopa milleri Wenz, 1919 † (original description)
Ericia gaali Wenz, 1919 † accepted as Pomatias consobrinus (F. Sandberger, 1875) † (original description)
Gyraulus multicingulatus Wenz, 1919 † (original description)
Gyraulus oecsensis Wenz, 1919 † (original description)
Helicodonta (Caracollina) disciformis Wenz, 1919 † accepted as Miodiscula disciformis (Wenz, 1919) † (original description)
Helix (Vallonia) subpulchella Pallary, 1901 † accepted as Vallonia pallaryi Wenz, 1919 † (status source)
Hydrobia brusinai Wenz, 1919 † (original description)
Hydrobia hermitei Wenz, 1919 † (original description)
Hydrobia incerta Brusina, 1897 † accepted as Hydrobia brusinai Wenz, 1919 † (status source)
Hydrobia serresi Wenz, 1919 † (original description)
Ischurostoma gallicum Wenz, 1919 † (original description)
Melanopsis acuminata Pallary, 1901 † accepted as Melanopsis pallaryi Wenz, 1919 † (status source)
Melanopsis albasensis Wenz, 1919 † accepted as Melanopsis doncieuxi Pallary, 1916 † (original description)
Melanopsis pallaryi Wenz, 1919 † (original description)
Melanopsis raphidia Pallary, 1920 † accepted as Melanopsis pallaryi Wenz, 1919 † (status source)
Melanopsis tinnyensis Wenz, 1919 † (original description)
Micromelania graeca Wenz, 1919 † accepted as Goniochilus graecus (Wenz, 1919) † (original description)
Paludestrina tournoueri Hermite, 1879 † accepted as Hydrobia hermitei Wenz, 1919 † (status source)
Patula whitei Wenz, 1919 † accepted as Discus whitei (Wenz, 1919) † (original description)
Planorbis (Gyraulus) tenuistriatus Lörenthey, 1906 † accepted as Gyraulus oecsensis Wenz, 1919 † (status source)
Planorbis fischeri Wenz, 1919 † (original description)
Planorbis striatus Brusina, 1878 † accepted as Gyraulus multicingulatus Wenz, 1919 † (status source)
Planorbis submarginatus P. Fischer, 1866 † accepted as Planorbis fischeri Wenz, 1919 † (status source)
Pseudamnicola ultramontana Wenz, 1919 † accepted as Pseudamnicola ultramontanus Wenz, 1919 † (original description)
Pyrgula capellinii Wenz, 1919 † (original description)
Theodoxis hassiaca Wenz, 1919 † accepted as Neritina subangularis F. Sandberger, 1860 † accepted as Theodoxus subangularis (F. Sandberger, 1860) † (original description)
Vallonia pallaryi Wenz, 1919 † (original description)
Viviparus oulchyensis Wenz, 1919 † (original description)
Viviparus pantanellii Wenz, 1919 † (original description)
Viviparus suevicus Wenz, 1919 † (original description)