Infraorder Limacoidei (slug)
Parent taxon: Helicina according to P. Bouchet et al. 2017
Sister taxa: Clausilioidei, Helicoidei, Oleacinoidei, Orthalicoidei, Plectopyloidea, Punctoidea, Pupilloidei, Rhytidoidei, Succineoidei, Testacelloidea, Urocoptoidea
Subtaxa: Gastrodontoidea Helicarionoidea Limacoidea Parmacelloidea Zonitoidea
Ecology: epifaunal