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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: †Eodiscina
Superfamilia: †Eodiscoidea
Familiae (6): †Calodiscidae – †Eodiscidae – †Hebediscidae – †Tsunyidiscidae – †Weymouthiidae – †Yukoniidae

Name

Eodiscoidea Raymond, 1913
References
Cederström, P., Ahlberg, P., Clarkson, E., Nilsson, C. & Axheimer, N. 2009. The lower Cambrian eodiscoid trilobite Calodiscus lobatus from Sweden: morphology, ontogeny and distribution Palaeontology 52(3): 491–539

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