Children (9 direct children, 419 direct and indirect children):
Dalatiidae
(tree size 39)
Sleeper sharks
Somniosidae
(tree size 42)
Sleeper sharks
Centrophoridae
(tree size 49)
Etmopteridae
(tree size 92)
Squalidae
(tree size 175)
Dogfish shark
Scymnorhinus
(tree size 2)
Oxynotidae
(tree size 10)
Pseudodalatiidae
(tree size 1)
Scymnorhinidae