Taxonavigation: Buchanosteoidea 

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
Superfamilia: †Buchanosteoidea

Familia: †Buchanosteidae
Genus: †Richardosteus
Species: †R. barwickorum

Name edit

Richardosteus Long et al., 2014

References edit