Family Tylostomatidae Stoliczka 1868 (snail)
Synonym: Tylostomidae Pchelintsev 1951
Parent taxon: Stromboidea according to P. Bouchet et al. 2005
Sister taxa: Aporrhaidae, Colombellinidae, Pugnellidae, Seraphsidae, Strombidae, Struthiolariidae, Thersiteidae
Subtaxa: Tylostoma
Ecology: epifaunal grazer