Basommatophora
Ancylius Paetel, 1875
Ancylus Müller, 1774
Ferrissia Walker, 1903
Forcancylus Iredale, 1944
Forsancylus Iredale, 1944
Gundlachia Pfeiffer, 1850
Hebetoncylus Pilsbry, 1914
Laevapex Walker, 1903
Pettancylus
Problancylus Iredale, 1943
Rhodacmaea Walker, 1917
Rhodacme Walker, 1917
Rhodacmea Walker, 1917
Stimulator Iredale, 1944
Uncancylus Pilsbry, 1914
