Cydrocrinus
From Wikipedia, the free encyclopedia
| Cydrocrinus Temporal range: | |
|---|---|
 | |
| Fossil of Cydrocrinus from Carboniferous of United States | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Crinoidea |
| Parvclass: | Cladida |
| Genus: | †Cydrocrinus Kirk, 1940[1] |
