Children (12 direct children, 88 direct and indirect children):
Hesperornithes
(tree size 42)
Hesperornithiformes
Carinatae
(tree size 1)
Limenavis
(tree size 1)
Qinornis
(tree size 1)
Yanornithiformes
(tree size 23)
Odontoholcae
(tree size 4)
Chaoyangornithiformes
(tree size 1)
Praeornithurae
(tree size 2)
Tingmiatornis
(tree size 1)
Gobipterygiformes
Changzuiornis
Antarcticavis