†unranked clade Coccosteomorphi (armour-plated fish)
Placodermi - Phlyctaeniiformes
Parent taxon: Brachythoraci according to R. van der Laan 2019
Sister taxa: Aspinothoracidi, Brachydeiroidea, Buchanosteidae, Buchanosteoidea, Coccosteoidea, Dinichthyoidea, Doseyosteus, Gemuendenaspidae, Heterosteoidea, Homosteoidea, Homostiidae, Maideria, Pachyosteomorphi, Parabuchanosteidae
Subtaxa: Bungartiidae Camuropiscidae Mylostomatidae Torosteidae Trematosteidae
Ecology: nektonic carnivore
Distribution: