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)
Agnatha
Cephalaspidomorphi (Cephalaspidomorphs)
Tremataspidiformes
Tremataspidoidei
Tremataspididae (21348318)
Children (2 direct children, 3 direct and indirect children):
Tremataspidinae
Sclerodus
(tree size 1)