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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
Arthrodira

Buchanosteidae (16975324)

Children (11 direct children, 14 direct and indirect children):

Arenipiscis

Buchanosteus (tree size 1)

Burrinjucosteus

Narrominaspis

Goodradigbeeon

Exutaspis

Errolosteus

Parabuchanosteus

Taemasosteus

Richardosteus (tree size 1)

Urvaspis (tree size 1)