Children (8 direct children, 166882 direct and indirect children):
Fish
(tree size 5)
Pisces
Chondrichthyes
(tree size 3115)
Cartilaginous fishes
Placodermi
(tree size 350)
Acanthodii
(tree size 114)
Choanata
Eugnathostomata
(tree size 163289)
Belonochasma
Janusiscus
(tree size 1)