| Calymene niagarensis Temporal range: Middle Silurian |
|
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Trilobita |
| Order: | Phacopida |
| Suborder: | Calymenina |
| Family: | Calymenidae |
| Genus: | Calymene |
| Species: | C. niagarensis |
| Binomial name | |
| Calymene niagarensis |
|
Calymene niagarensis is a small species of trilobite. It dates back to the Middle Silurian. Most specimens have been found in New York and Oklahoma. It has around 20 body segments and small, round eyes.