| Calymene niagarensis | |
|---|---|
 | |
| Fossils of Calymene niagarensis from Ohio, United States, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Phacopida |
| Family: | †Calymenidae |
| Genus: | †Calymene |
| Species: | †C. niagarensis |
| Binomial name | |
| †Calymene niagarensis Hall 1843 | |
Calymene niagarensis is a species of trilobite belonging to the genus Calymene. These nektobenthic carnivores lived in the Middle Silurian, from 436.0 to 426.2 Ma.[1]
Description
Calymene niagarensis is a small species, reaching a length of about 4 centimetres (1.6 in) and a width of about 2.7 centimetres (1.1 in). It has around 20 body segments and small, round eyes.
Distribution
Fossils of this species have been found in the Silurian sediments of United States. Most specimens have been found in New York and Oklahoma.[1]
References
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