Phacopida
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Phacops_rana.jpg/220px-Phacops_rana.jpg)
Taxonavigation
editSuperregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: †Artiopoda
Superclassis: †Trilobitomorpha
Classis: †Trilobita
Ordo: †Phacopida
Subordines:
†Calymenina –
†Cheirurina –
†Phacopina
Name
editPhacopida Salter, 1853