Superfamily Rhytidoidea Pilsbry 1893 (slug)
Synonym: Acavoidea Pilsbry 1895
Parent taxon: Rhytidoidei according to P. Bouchet et al. 2017
See also Bouchet et al. 2005
Sister taxa: none
Subtaxa: Acavidae Dorcasiidae Megomphicidae Strophocheilidae
Ecology: epifaunal
Distribution:
• Quaternary of South Africa (1 collection), United States (2: California)
• Pliocene of Argentina (1), United States (2: California)
• Miocene to Pliocene of South Africa (1)
• Eocene of Brazil (1), Namibia (2)
• Cretaceous of Uruguay (3)
Total: 13 collections including 14 occurrences