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Calymenoidea

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Superphylum: Ecdysozoa
Phylum: Arthropoda
Subphylum: †Trilobitomorpha
Classis: Trilobita
Ordo: Phacopida
Subordo: Calymenina
Superfamilia: Calymenoidea
Familiae: Bavarillidae - Bathycheilidae - Calymenidae - Homalonotidae - Pharostomatidae

Stratigraphic Extension

Lower Ordovician --> Upper Devonian (Frasnian)

Biology Encyclopedia

Images

Source: Wikispecies: All text is available under the terms of the GNU Free Documentation License