Onychocrinus
Onychocrinus is an extinct genus of crinoids.
| Onychocrinus Temporal range: | |
|---|---|
| Fossil of Onychocrinus species from Carboniferous of United States | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Order: | †Taxocrinida |
| Family: | †Synerocrinidae |
| Genus: | †Onychocrinus Lyon and Casseday, 1860 |
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