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Friday, May 7, 2010

Eucalyptocrinites Crinoid Calyx

An Eucalyptocrinites crinoid calyx cup found in the Waldron Shale of Clark County, Indiana.  My first mostly intact Silurian Period crinoid calyx.  I am as happy as a crinoid in sea urchin free waters! Fossil has not yet been prepped.

See a more intact one at this Indiana State Museum webpage


Eucalyptocrinites crassus crinoid holdfast fossil on display in Paris, France at the natural history museum.



A great source for information about Waldron Shale fossils is the Indiana State Museum database.  As of this writing, they had 134 Waldron Shale fossils listed.  It is a super public service to those of us trying to identify Waldron Shale fossils from Indiana.