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1 January 2003 LOWER MISSISSIPPIAN CRINOID (ECHINODERMATA) FAUNA FROM UTAH COUNTY, UTAH
WILLIAM I. AUSICH
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Abstract

A low-diversity crinoid fauna is described from the Fitchville Formation, Lower Mississippian (Late Devonian to Early Mississippian) of Utah County, Utah. Based on the crinoid fauna, composed of Nunnacrinus olsoni new species, Paracosmetocrinus lundi new species, and Platycrinites sp., this fauna is interpreted as being from the Kinderhookian, Upper Fitchville Formation. This occurrence of Nunnacrinus extends the geographic and facies range of this genus in western North America and the geographic range of Paracosmetocrinus within western North America.

WILLIAM I. AUSICH "LOWER MISSISSIPPIAN CRINOID (ECHINODERMATA) FAUNA FROM UTAH COUNTY, UTAH," Journal of Paleontology 77(1), 139-145, (1 January 2003). https://doi.org/10.1666/0022-3360(2003)077<0139:LMCEFF>2.0.CO;2
Accepted: 1 February 2002; Published: 1 January 2003
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