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)
Osteostraci (Ostracoderm)
Cornuata
Zenaspidida
Zenaspididae
Scolenaspidinae (26086697)
Children (1 direct children, 2 direct and indirect children):
Machairaspis
(tree size 1)