Homosteiodea
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Kingdom: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Olfactores
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: †Placodermi
Ordo: †Arthrodira
Subordo: †Brachythoraci
Infraordo: †Coccosteina
Superfamilia: †
Familiae: ...- †Homostiidae - ...
Name
†Homosteiodea
- Type family: †Homostiidae Jaekel, 1903