Children (16 direct children, 167797 direct and indirect children):
Gnathostomata
(tree size 166882)
Gnathostome
Osteostraci
(tree size 83)
Ostracoderm
Galeaspida
(tree size 38)
Pituriaspida
(tree size 3)
Pteraspidomorphi
(tree size 173)
Thelodonti
(tree size 107)
Agnatha
(tree size 267)
Hyperoartia
(tree size 45)
Cyclostomata
(tree size 4)
Conodonta
(tree size 178)
Conodont
Apedolepis
Sinoniscus
Myxinomorphi
Petromyzontomorphi
(tree size 1)
Anaspidomorphi
Myopterygii