Bumastus niagarensis (Whitfield, 1879) trilobite pygidium fossil found in the Waldron Shale of Clark County, Indiana USA. It dates to the Si...

These pictures are of a  Hexagonaria anna  (Whitfield, 1973) coral fossil. It was found in the Bell Shale of the Traverse Group of Alpena, ...

While working in the lobby at work I noticed what appears to be a tree fossil imprint in a sandstone block. The building was built over 50 y...