Cydrocrinus
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| Cydrocrinus Temporal range:
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| File:Cladida - Cydrocrinus.JPG | |
| Fossil of Cydrocrinus from Carboniferous of United States | |
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| Genus: | Cydrocrinus Kirk, 1940 [1]
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Cydrocrinus is an extinct genus of crinoids.
Fossil records
This genus is known in the fossil records of the Carboniferous period of United States (age range: 345.3 to 342.8 million years ago).[2]
References
- ↑ Kirk, E. 1940. Seven new genera of Carboniferous Crinoidea Inadunata. Journal of the Washington Academy of Sciences 30: 321 -
- ↑ Paleobiology Database
