†family Prostyliferidae Bandel 1992 (snail)
Parent taxon: Cerithioidea according to P. Bouchet et al. 2005
Sister taxa: Acanthonematidae, Batillariidae, Brachytrematidae, Bullamirifica, Cassiopidae, Cerithiidae, Cryptaulacidae, Dialidae, Diastomatidae, Eustomatidae, Faxiidae, Ladinulidae, Lavigeriidae, Litiopidae, Maoraxidae, Melanopsidae, Metacerithiidae, Modulidae, Pachychilidae, Paludomidae, Pianaridae, Planaxidae, Pleuroceridae, Popenellidae, Potamididae, Procerithiidae, Propupaspiridae, Scaliolidae, Siliquariidae, Syrnolopsidae, Thiaridae, Tomaszoviella, Turritellidae
Subtaxa: Acilia, Ptychostoma
Ecology: epifaunal grazer