The Mucrospirifer thedforensis brachiopod ("butterfly shells") found in the Widder Formation of Arkona, Ontario, Canada.  This ...

This fossil is of the prosoma ("head") of an Eurypterid ("sea scorpion"). This specimen was found at the Ridgemount Quar...

About 60 million years ago (or so) during the Paleocene epoch, a towering coiled shell sea gastropod roamed a shallow sea that is now where...