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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)
Pteraspidomorphi
Heterostraci

Psammosteidae (2115632)

Children (3 direct children, 6 direct and indirect children):

Psammolepis (tree size 1)

Drepanaspis (tree size 1)

Psammosteus (tree size 1)