Phacopidae
| Phacopidae Temporal range:  | |
|---|---|
| Drotops armatus | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | †Trilobita | 
| Order: | †Phacopida | 
| Suborder: | †Phacopina | 
| Superfamily: | †Phacopoidea | 
| Family: | †Phacopidae Hawle & Corda, 1847 | 
Phacopidae is a family of phacopid trilobites that ranges from the Lower Ordovician to the Upper Devonian, with representatives in all paleocontinents.