Bythinia adnata Neumayr, 1875 † accepted as Tanousia adnata (Neumayr, 1875) † (original description)
Bythinia labiata Neumayr, 1875 † accepted as Neumayria labiata (Neumayr, 1875) † (original description)
Cardium fuchsi Neumayr, 1875 † accepted as Lymnocardium fuchsi (Neumayr, 1875) † (original description)
Carinifex quadrangulus Neumayr, 1875 † accepted as Gyraulus quadrangulus (Neumayr, 1875) † (original description)
Gyraulus transsylvanicus (Neumayr, 1875) † (original description)
Hydrobia eugeniae Neumayr, 1875 † accepted as Pyrgula eugeniae (Neumayr, 1875) † (original description)
Hydrobia margarita Neumayr, 1875 † accepted as Pseudamnicola (Barassia) margarita (Neumayr, 1875) † represented as Pseudamnicola margarita (Neumayr, 1875) † (original description)
Hydrobia pagoda Neumayr, 1875 † accepted as Pseudamnicola (Barassia) pagoda (Neumayr, 1875) † represented as Pseudamnicola pagoda (Neumayr, 1875) † (original description)
Hydrobia prisca Neumayr, 1875 † accepted as Pyrgula prisca (Neumayr, 1875) † (original description)
Hydrobia transitans Neumayr, 1875 † accepted as Pyrgula transitans (Neumayr, 1875) † (original description)
Neritina semiplicata Neumayr, 1875 † accepted as Theodoxus semiplicatus (Neumayr, 1875) † (original description)
Planorbis transsylvanicus Neumayr, 1875 † accepted as Gyraulus transsylvanicus (Neumayr, 1875) † (original description)
Valvata (Tropidina) bifrons Neumayr, 1875 † accepted as Valvata (Cincinna) eugeniae bifrons Neumayr, 1875 † represented as Valvata eugeniae bifrons Neumayr, 1875 † (original description)
Valvata (Tropidina) eugeniae Neumayr, 1875 † represented as Valvata eugeniae Neumayr, 1875 † (original description)
Vivipara alta Neumayr, 1875 † accepted as Viviparus altus Neumayr, 1875 † (original description)
Vivipara grandis Neumayr, 1875 † accepted as Viviparus grandis Neumayr, 1875 † (original description)
Vivipara herbichi Neumayr, 1875 † accepted as Viviparus herbichi Neumayr, 1875 † (original description)