Here is a Silurian index fossil called Halysites or chain coral. It is part of the hands on exhibit in the Discovery Gallery at the Louisv...

Here is a specimen from the Discovery Gallery hands on fossil exhibit at the Louisville Science Center . It is labeled as a 'Club Moss ...

Here are a series of pictures taken of an imprint(?) of trilobite in the hands on activities in the Discovery Gallery of the Louisville Scie...