Onychocrinus

Ang Onychocrinus ay isang nalipol na genus ng mga crinoid.

Onychocrinus Temporal na saklaw: Carboniferous PreЄ Є O S D C P T J K Pg N
Posil o labimbakas ng espesyeng Onychocrinus mula sa panahong Karbonipero sa Estados Unidos
Klasipikasyong pang-agham
Kaharian:	Animalia
Kalapian:	Echinodermata
Hati:	Crinoidea
Orden:	†Taxocrinida
Pamilya:	†Synerocrinidae
Sari:	†Onychocrinus Lyon at Casseday, 1860

Mga tala ng posil o labimbakas

Ang genus na ito ay kilala sa mga tala ng labimbakas ng panahong Karbonipero sa Estados Unidos at Kanada (saklaw ng edad: 353.8 hanggang 318.1 milyong taon na ang nakalilipas).

Bibliograpiya

• • 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 unpublished Ph.D. thesis, Indiana University 1-449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 Unpublished Doctoral Dissertation, Indiana University 1-433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