Here are some pictures of a Silurian trilobite called the Calymene breviceps ? found in the Waldron Shale of Indiana. It is enrolled which...

This fossil appears to be the bottom of a Lyriocrinus calyx cup found in the Waldron Shale of Clark County, Indiana. It is dated to th...

This image shows a Cryptolithus tessellatus fragment found years ago.  It existed in the Ordovician Period. The fossil plate was found ...