Asaphus
| Asaphus Temporal range:  | |
|---|---|
| A. latus | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | †Trilobita | 
| Order: | †Asaphida | 
| Family: | †Asaphidae | 
| Genus: | †Asaphus Brongniart, 1822 | 
| Type species | |
| Entomostracites expansus Wahlenberg, [1818] | |
| Species | |
| 
 | |
Asaphus (/ˈæsæfʌs/) is a genus of trilobites that is known from the Lower (upper Arenig) and Middle Ordovician of northwestern Europe (Sweden, Estonia, Saint Petersburg Area).