These pictures are of a coiled crinoid fossil. It was found in the Waldron Shale of Clark County Indiana USA. The fossil dates to the Silu...

  In 2012, I posted a crinoid calyx fossil which was identified as a Phanocrinus nitidus . Recently, I revisited this fossil and took some ...

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