A very nicely preserved crinoid fossil called Lyriocrinus melissa (Hall, 1863).  Fossil found in the Waldron Shale of Clark County Indiana...

Today's post is of a brachiopod fossil called Leptaena rhomboidalis (Wahlenberg, 1818).  Fossil found in the Waldron Shale of Clark Cou...

This post is a fossil called Desmograptus sp. (Hopkinson, 1875) graptolite. Fossil found in the Waldron Shale of Clark County Indiana USA. ...