Superfamily Helicoidea Rafinesque 1815 (slug)
PaleoDB taxon number: 113646
Parent taxon: Sigmurethra according to P. Bouchet et al. 2005
Sister taxa: Achatinoidea, Gastrodontoidea, Limacoidea, Orthalicoidea, Parmacelloidea, Punctoidea, Sagdoidea, Zonitoidea
Subtaxa: Elonidae, Helicidae, Helicodontidae, Hygromiidae, Pleurodontidae, Trissexodontidae
Ecology: epifaunal