This image is of Eoradiolites davidsoni clam fossil on display at Mace Brown Museum of Natural History (August 2017). They date to abo...

This image is of Ptychodus whipple fossil ancestral stingray teeth on display at Mace Brown Museum of Natural History (August 2017). Th...

While in Charleston, South Carolina USA we stayed at Folly Beach (August 2017). During beach time, I tried to find shark teeth, phosphate...