Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: †Placodermi
Ordo: †Arthrodira
Subordo: †Brachythoraci
Infraordo:
†Actinolepina -
†Coccosteina -
†Phlyctaeniina
Superfamiliae:
†Brachydeiroidea -
†Buchanosteoidea -
†Coccosteoidea -
†Dinichthyloidea -
†Dunkleosteoidea -
†Gemuendenaspoidea -
†Homosteoidea -
†Incisoscutoidea
Familiae:
†Antarctaspidae -
†Camuropiscidae -
†Dinichthyidae -
†Incisoscutidae -
†Titanichthyidae
Genus inc. sedis:
†Confractamnis
Name
†Brachythoraci
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