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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 (25241)

Children (17 direct children, 198928 direct and indirect children):

Gnathostomata (tree size 197832)
Gnathostome

Anaspida (tree size 23)

Osteostraci (tree size 83)
Ostracoderm

Galeaspida (tree size 43)

Pituriaspida (tree size 3)

Pteraspidomorphi (tree size 182)

Thelodonti (tree size 118)

Agnatha (tree size 340)

Hyperoartia (tree size 45)

Cyclostomi (tree size 7)
Cyclostomes

Conodonta (tree size 234)
Conodonts

Apedolepis

Sinoniscus

Myxinomorphi

Petromyzontomorphi (tree size 1)

Anaspidomorphi

Myopterygii