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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)
Chondrichthyes (Cartilaginous fishes)

Holocephali (149104)

Children (8 direct children, 260 direct and indirect children):

Iniopterygiformes (tree size 4)
Iniopterygia

Petalodontiformes (tree size 26)

Chimaeriformes (tree size 178)
Chimaera

Menaspis

Holocephalimorpha (tree size 28)

Delphyodontos (tree size 1)

Paraselachimorpha (tree size 15)

Lagarodus