Over the Thanksgiving holiday I received an image of a fossil imprint of some sort of coiled nautiloid. It was found on the Indiana side ...

If the label is correct, this is a rare mineral (for this locality) called langite found at the Cornwall Mine in Lebanon County, Pennsylva...

Here are some pictures of a prepped Leptaena waldronensis brachiopod that I consider museum grade. It is not compressed and its beak and ...