Kingdom Animalia Subclass Camerata Rank Genus | Phylum Echinodermata Class Crinoidea | |
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Similar Crotalocrinites, Abrotocrinus, Dizygocrinus, Scytalocrinus, Onychocrinus | ||
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).
References
Cydrocrinus Wikipedia(Text) CC BY-SA