Family Struthiolariidae Fischer 1887 (snail)
Parent taxon: Stromboidea according to P. Bouchet et al. 2005
Sister taxa: Aporrhaidae, Colombellinidae, Pugnellidae, Seraphsidae, Strombidae, Thersiteidae, Tylostomatidae
Subtaxa: Antarctodarwinella, Perissodonta, Struthiolarella, Struthiolarellinae, Struthiolaria, Struthiolariinae
Ecology: epifaunal grazer