Children (23 direct children, 365 direct and indirect children):
Arthrodira
(tree size 215)
Rhenanida
(tree size 11)
Phyllolepida
(tree size 12)
Petalichthyida
(tree size 12)
Placoderm fishes
Antiarchi
(tree size 45)
Antiarchi ("opposite anus")
Ptyctodontida
(tree size 14)
Brindabellaspis
Acanthothoraci
(tree size 8)
Pseudopetalichthyida
(tree size 4)
Deinodus
(tree size 1)
Entelognathus
(tree size 1)
Arthrodiriformes
(tree size 6)
Ptyctodontiformes
Antiarchiformes
(tree size 7)
Petalichthida
(tree size 2)
Qilinyu
(tree size 1)
Acanthothoraciformes
Petalichthyiformes
Rhenaniformes
Stensioellida
(tree size 3)
Brindabellaspida
Minjinia
Changyangnophyton