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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)

Gnathostomata (26214)

Children (12 direct children, 197832 direct and indirect children):

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)