Suborder Achatinina Schileyko 1979 (slug)
Parent taxon: Stylommatophora according to P. Bouchet et al. 2017
Sister taxa: Anastomopsidae, Clausiloidea, Cylindrellinidae, Grandipatulidae, Grangerellidae, Helicina, Limnophila, Palaeoxestinidae, Scalaxidae, Scolodontina, Sigmurethra
Subtaxa: Achatinoidea Streptaxoidea
Ecology: epifaunal