Bythinia brusinai Halaváts, 1902 † accepted as Bithynia brusinai Halaváts, 1902 † (original description)
Helix bakonicus Halaváts, 1902 † accepted as Megalotachea neumayri (Brusina, 1878) † (original description)
Helix fuchsi Halaváts, 1902 † accepted as Vallonia lepida (Reuss, 1849) † (original description)
Limnaea kenesense Halaváts, 1902 † accepted as Galba kenesensis (Halaváts, 1902) † (original description)
Limnocardium ponticum Halaváts, 1902 † accepted as Lymnocardium ponticum Halaváts, 1902 † (original description)
Limnocardium tihanyense Halaváts, 1902 † (original description)
Melanopsis boettgeri Halaváts, 1902 † accepted as Melanopsis bouei sturii T. Fuchs, 1873 † (original description)
Planorbis bakonicus Halaváts, 1902 † accepted as Gyraulus (Gyraulus) bakonicus (Halaváts, 1902) † represented as Gyraulus bakonicus (Halaváts, 1902) † (original description)
Planorbis grandis Halaváts, 1902 † accepted as Planorbarius halavatsi Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic, 2014 † (original description)
Planorbis krambergeri Halaváts, 1902 † accepted as Anisus (Anisus) krambergeri (Halaváts, 1902) † represented as Anisus krambergeri (Halaváts, 1902) † (original description)
Planorbis subptychophorus Halaváts, 1902 † accepted as Armiger subptychophorus (Halaváts, 1902) † (original description)
Pupa berthae Halaváts, 1902 † accepted as Carychium berthae (Halaváts, 1902) † (original description)
Pupa ocsensis Halaváts, 1902 † accepted as Vertigo ocsensis (Halaváts, 1902) † (original description)
Unio matyasovskyi Halaváts, 1902 † (original description)
Vivipara loczyi Halaváts, 1902 † accepted as Viviparus loczyi Halaváts, 1902 † (original description)
Vivipara semseyi Halaváts, 1902 † accepted as Viviparus semseyi Halaváts, 1902 † (original description)