Family Cancellariidae Gray 1853 (snail)
Parent taxon: Cancellarioidea according to P. Bouchet et al. 2005
Sister taxon: Paladmetidae
Subtaxa: Admete, Admetinae, Admetula, Agatrix, Aneurystoma, Babylonella, Calcarata, Cancellariinae, Caveola, Egerea, Hertleinia, Mataxa, Neadmete, Perplicaria, Plesiotritoninae, Rhomboidestoma, Semitriton, Sveltia, Tribia, Trigonaphera, Trigonostoma, Tritonoharpa
Ecology: epifaunal carnivore