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