Onychocrinus

Onychocrinus
Temporal range: Carboniferous
Fossil of Onychocrinus species from Carboniferous of United States
Scientific classification
Kingdom: Animalia
Phylum: Echinodermata
Class: Crinoidea
Order: Taxocrinida
Family: Synerocrinidae
Genus: Onychocrinus
Lyon and Casseday, 1860 [1]

Onychocrinus is an extinct genus of crinoids.

Fossil records

This genus is known in the fossil records of the Carboniferous period of United States and Canada (age range: 353.8 to 318.1 million years ago). [2]

Bibliography

References

  1. Lyon, S. S. and S. A. Casseday. 1860. A synonymic list of the Echinodermata of the Palaeozoic rocks of North America. Proceedings of the American Academy of Science and Arts 4::282–304.
  2. Paleobiology Database


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