Main menu Navigation ●Main page ●Contents ●Current events ●Random article ●About Wikipedia ●Contact us ●Donate Contribute ●Help ●Learn to edit ●Community portal ●Recent changes ●Upload file

●Create account ●Log in ●Create account ● Log in Pages for logged out editors learn more ●Contributions ●Talk

(Top) 1 Fossil records 2 Bibliography 3 References

Onychocrinus

●Italiano Edit links ●Article ●Talk ●Read ●Edit ●View history Tools Actions ●Read ●Edit ●View history General ●What links here ●Related changes ●Upload file ●Special pages ●Permanent link ●Page information ●Cite this page ●Get shortened URL ●Download QR code ●Wikidata item Print/export ●Download as PDF ●Printable version In other projects ●Wikimedia Commons Appearance From Wikipedia, the free encyclopedia

Onychocrinus Temporal range: Carboniferous PreꞒ Ꞓ O S D C P T J K Pg N

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[edit]

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]

F. Springer. 1906. Discovery of the Disk of Onychocrinus, and Further Remarks on the Crinoidea Flexibilia. The Journal of Geology, Volume 14.
A. S. Horowitz. 1956. Fauna of Glen Dean Limestone (Chester) in Indiana and Northern Kentucky. unpublished Ph.D. thesis, Indiana University 1-449
N. G. Lane, J. L. Matthews, E. G. Driscoll and E. L. Yochelson. 1973. Paleontology and paleoecology of the Crawfordsville fossil site (Upper Osagian: Indiana). University of California Publications in Geological Sciences 99:1-141
W. I. Ausich. 1978. Community Organization, Paleontology, and Sedimentology of the Lower Mississippian Borden Delta Platform (Edwardsville Formation, Southern Indiana). Unpublished Doctoral Dissertation, Indiana University 1-433
T. W. Kammer and W. I. Ausich. 2007. Stratigraphical and geographical distribution of Mississippian (Lower Carboniferous) Crinoidea from Scotland. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 98:139-150

^ 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.

This prehistoric crinoid-related article is a stub. You can help Wikipedia by expanding it.