Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: †Trilobitomorpha
Classis: †Trilobita
Ordo: †Agnostida
Subordo: †Agnostina
Superfamilia: †Agnostoidea
Familia: † Diplagnostidae
Subfamilia: Oidalagnostinae
Genera: Cristagnostus – Oidalagnostus
Name
Oidalagnostinae Öpik 1967
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