Suborder Helicina (slug)
Parent taxon: Stylommatophora according to P. Bouchet et al. 2017
Sister taxa: Achatinina, Anastomopsidae, Clausiloidea, Cylindrellinidae, Grandipatulidae, Grangerellidae, Limnophila, Palaeoxestinidae, Scalaxidae, Scolodontina, Sigmurethra
Subtaxa: Arionoidei Clausilioidei Helicoidei Limacoidei Oleacinoidei Orthalicoidei Plectopyloidea Punctoidea Pupilloidei Rhytidoidei Succineoidei Testacelloidea Urocoptoidea
Ecology: epifaunal