This appears to be a Saivodus ctenacanthus shark tooth (cladodont) fossil. It was found in Crawford County, Indiana USA. Fossil dates to...

A reader of this blog, Christina sent me a image of fossil she found in Harrison County, Indiana, USA. I think it is a Syringopora sp. c...

Earlier in the year, I was cleaning with a power washer and thought, "what if I tried this on some of soil stained fossils?". We...