This black fossil is somewhat of a puzzle.  It was found in the Jeffersonville Limestone of Clark County, Indiana, USA.  This layer would...

Is this some sort of tooth or a spine?  While investing the trace fossil I presented in the post a few days ago with the microscope, I noti...

Here is a fragment of a Devonian fossil found in Clark County, Indiana. It has a pentagon shape on one side and remnants of a series of tub...

This fossils looks like some sort of stem creature. It reminds me of a smoothed blastoid but this could be a pseudo fossil. It is just a ...