These fossil fragments might have once been an Archaeocidaris (McCoy, 1844) echinoid. It lived a Mississippian Period sea in what is now W...

  Last weekend I got a chance to visit my cousin Steven who lives on the road I grew up on. A small creek flows through this area that I spe...

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