Family Ovulidae Fleming 1822 (snail)
Parent taxon: Cypraeoidea according to P. Bouchet et al. 2005
Sister taxon: Cypraeidae
Subtaxa: Amphiperatidae, Calpurnus, Crenavolva, Cymbovula, Cyphoma, Dentiovula, Diminovula, Eocypraeinae, Hiatavolva, Margovula, Ovula, Ovulinae, Pedicularia, Phenacovolva, Primovula, Prionovolva, Procalpurnus, Prosimnia, Simnia, Volva
Ecology: epifaunal carnivore