It is usually difficult to identify fossil crinoid stem pieces. So this fossil was recently found in the Jeffersonville Limestone Clark Coun...

  Eucalyptocrinites crassus (Hall, 1863) crinoid stem fossil found in the Waldron Shale of Clark County, Indiana USA. The crinoid existed i...

Recently, I ordered the two volume set Geology at Massachusetts Institute of Technology (MIT) 1865-1965 by Robert Rakes Shrock (1904-1993)....

  Let us start off the new year with a picture of a unique looking crinoid stem cross section. It was found in the New Providence Formation ...

  This picture is of a set of crinoid pentagon shaped fossils that once made up a column. They existed in the Mississippian Period. The foss...

Staying with the same fossil as yesterday's posting, this one is from an older part of the Silurian Period. It was found in the Waldr...

This pictures show a crinoid holdfast growing on the side of a fallen crinoid stem. The fossils were found in the New Providence Formati...

This year's Christmas greeting image was created with specimens from two locations. The star (thin section of crinoid stem), trunk (...

These images are of what appears to be an Antholites speciosus? coral growing on an unidentified crinoid stem. It was found in the Jef...

Here is a picture of a collection of crinoid stem fossils recently collected in the Glen Dean Member of Grayson County Kentucky USA. They...

These pictures show recent fossil finds in the Indian Springs Formation of Crawford County Indiana USA. The fossils date to the Mississipp...

This picture is of a fossil tree stem preserved in silica. This mineral preserved the air pores or lenticels. It was on display at the ...

These pictures show a crinoid stem segment fossil. It was found in the Glen Dean Member of Grayson County, Kentucky, USA. The fossil date...

These pictures show a crinoid stem fossil. It was found in the Glen Dean Member of Grayson County, Kentucky, USA. The fossil dates to the...

Here are some pictures I found from a trip in March 2008 to a road cut in Crawford County, Indiana. It is a fun place to hunt for fossils fr...