Superfamily Helicarionoidea Bourguignat 1877 (slug)
Parent taxon: Limacoidei according to P. Bouchet et al. 2017
See also Bouchet et al. 2005
Sister taxa: Gastrodontoidea, Limacoidea, Parmacelloidea, Zonitoidea
Subtaxa: Trochozonites
Ecology: epifaunal
Distribution:
• Quaternary of the Congo-Kinshasa (1 collection)
• Miocene of Uganda (2)
• Eocene of Oman (1)
Total: 4 collections each including a single occurrence