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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 (Gnathostome)
Placodermi

Ptyctodontida (918188)

Children (4 direct children, 14 direct and indirect children):

Ctenurella (tree size 1)

Austroptyctodus

Campbellodus (tree size 1)

Ptyctodontidae (tree size 8)