Olenina
| Olenina Temporal range: | |
|---|---|
| Triarthrus eatoni | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Ptychopariida |
| Suborder: | †Olenina |
| Families | |
| |
Olenina is an extinct suborder of the trilobite order Ptychopariida.