(Ferrissia) (Ferrissia) is a biological genus in the family Planorbidae and order Basommatophora.
Ferrissia rivularis
Ferrissia californica
Amphigyra
Ancylus
Biomphalaria
Bulinus
Drepanotrema
Ferrissia
Gundlachia
Gyraulus
Hebetancylus
Helisoma
Laevapex
Menetus
Micromenetus
Neoplanorbis
Pecosorbis
Planorbella
Planorbis
Planorbula
Promenetus
Rhodacmea
Vorticifex