The Melonites multipora sea urchin fossil found in St. Louis, Missouri.  The creature existed in the Mississippian Period.  It was on dis...

Ammonite fossils of the Promicroceras planicosta on display at the Smithsonian Museum of Natural History in Washington D.C., USA.  Rock ...

  A short time ago, I read an informative post on about Ginkgo biloba fossils on my friend's blog: Views of the Mahantango .  Re...