Children (7 direct children, 1974 direct and indirect children):
Squalomorphii
(tree size 573)
Galeomorphii
(tree size 583)
Galeomorphi
Carcharhiniformes
(tree size 804)
Duffinselache
Rhomaleodus
Sphenacanthidae
(tree size 6)
Turnovichtys
(tree size 1)