Osteostraciformes
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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Cladus: Hyperoartia
Classis: Cephalaspidomorphi
Ordo: †Osteostraciformes
Familiae:
†Tremataspididae –
†Zenaspididae
Genera inc. sedis:
†Ancyraspis –
†Ceramantyx –
†Nucleaspis –
†Paraungulaspis –
†Reticulaspis
Name[edit]
†Osteostraciformes