Perryus
From Wikipedia, the free encyclopedia
| Perryus | |
|---|---|
 | |
| Perryus severnensis from the Attawapiskat Formation of Ontario; cranidium; holotype of the type species | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Phacopida |
| Family: | †Encrinuridae |
| Genus: | †Perryus Gass & Mikulic 1982 |
Perryus is a genus of phacopid trilobites that lived in what are now Canada, Greenland, and Siberia from the early Silurian to the middle Silurian from 438 to 430 mya, existing for approximately 8 million years.[1]
