| Nileidae Temporal range: [1]
| |
|---|---|
| |
| Symphysurus from Iran, Ordovician | |
| |
| Platypeltoides magrebiensis and aglaspidid from early Ordovician Fezouata Formation, Morocco | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Asaphida |
| Superfamily: | †Cyclopygoidea |
| Family: | †Nileidae Angelin 1854 |
| Genera | |
|
See text | |
Nileidae is a family of trilobites of the Asaphida order.
These fast-moving nektonic carnivores lived in the Ordovician and Cambrian periods.[1]