Classification
Mollusca [filum]Gastropoda [klas]
Heterobranchia [onderklas]
Pulmonata [superorde]
Stylommatophora [orde]
Sigmurethra [suborde]
Helicoidea [superfamilie]
Superfamilie Helicoidea contains the following taxa:
Bradybaenidae [familie]
Cochlicellidae [familie]
Helicidae [familie]
Helicodontidae [familie]
Hygromiidae [familie]
Trissexodontidae [familie]