21. These are both brachiopods (not clams). Without knowing anything about the biology of brachiopods, choose the fossil that is preserved as original shell material. What is your evidence (you should ...

In today's video I teamed up with a bunch of friends to go Calcite Crystal hunting here in Florida! What makes these crystals ...

In an astonishing discovery, scientists have uncovered a clam species believed ... an amateur shell collector who had first recognized the fossil's distinctiveness among thousands of shells.