| Calymene niagarensis Fossil range: Middle Silurian | |
|---|---|
| Scientific classification
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Calymenidae | |
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C. 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.
