Clade Hexanchida (elasmobranch)
Parent taxon: Squalomorphii according to J. S. Nelson et al. 2016
Sister taxa: Echinorhiniformes, Hexanchiformes, Pristiophoriformes, Protospinaciformes, Squaliformes, Squatiniformes
Subtaxa: none
Ecology: nektonic carnivore
Distribution: there are no occurrences of Hexanchida in the database