Infraorder Stylommatophora Schmidt 1856 (slug)
Parent taxon: Pulmonata according to P. Jeffery 2003
Sister taxa: Basommatophora, Basommatophora, Endodontidae, Eupulmonata, Grangerellidae, Melampoidea, Oreohelicidae, Pleurodontidae, Pupillidae, Sagdidae
Subtaxa: Acavoidea, Limacoidea, Milacidae, Orthalicoidea, Pupilloidea, Subulinidae, Succineidae, Zonitidae
Ecology: epifaunal