Children (6 direct children, 573 direct and indirect children):
Hexanchiformes
(tree size 78)
Squaliformes
(tree size 419)
Pristiophoriformes
(tree size 19)
Squatiniformes
(tree size 35)
Angel shark
Echinorhiniformes
(tree size 11)
Protospinaciformes
(tree size 5)