Related how?

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)

Cephalaspidiformes (21446767)

Children (3 direct children, 5 direct and indirect children):

Auchenaspis
Aachenaspis

Meelaidaspis (tree size 1)

Ohesaareaspis (tree size 1)