Subclass Cephalaspidomorpha (vertebrate)
Parent taxon: Vertebrata according to A. Meyer and R. Zardoya 2003
Sister taxa: Agnatha, Ammopus, Apedolepis, Artenolepis, Auchenaspis, Calibarichnus, Cephalaspis, Galeaspida, Gallegosichnus, Gnathostomata, Herpetichthyes, Hoplichnus, Hypichthyes, Ingenierichnus, Larnovaspis, Myzichthyes, Pachycardia, Palaciosichnus, Palaeaspis, Pituriaspida, Rogerbaletichnus, Teleosti, Toxichnus, Trihamus
Subtaxa: none
Ecology: