Phacopida
| Phacopida | |
|---|---|
| Dalmanites limulurus, a trilobite of the suborder Phacopina | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | †Trilobita | 
| Order: | †Phacopida Salter, 1864 | 
| Suborders | |
Phacopida ("lens-face") is an order of trilobites that lived from the Late Cambrian to the Late Devonian. It is made up of a morphologically diverse assemblage of taxa in three related suborders.