Superfamily Urocoptoidea Pilsbry 1898 (slug)
Parent taxon: Helicina according to P. Bouchet et al. 2017
Sister taxa: Clausilioidei, Helicoidei, Limacoidei, Oleacinoidei, Orthalicoidei, Plectopyloidea, Punctoidea, Pupilloidei, Rhytidoidei, Succineoidei, Testacelloidea
Subtaxa: Cerionidae Urocoptidae
Ecology: epifaunal
Distribution: