Fish
(tree size 4)
Pisces
Chondrichthyes
(tree size 4573)
Cartilaginous fishes
Placodermi
(tree size 365)
Acanthodii
(tree size 122)
Choanata
Eugnathostomata
(tree size 192754)
Belonochasma
Janusiscus
(tree size 1)
Placodermiomorphi
Coelacanthi
Dipneusti
Plectrodus
(tree size 1)