See beautiful fossils from top Cambrian sites around the world
You’ve heard of the Burgess Shale, but what about Sirius Passet?
![Anomalocaris](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/04/042719_scivis_feat.jpg?fit=860%2C460&ssl=1)
ANCIENT PREDATOR The shrimplike arthropod Anomalocaris was a giant in its time, up to a meter in length. This fossil was found in pieces in the Burgess Shale — scientists once thought that pieces bearing its mouth, tail and feeding appendages came from three different creatures.
© JEAN-BERNARD CARON/ROYAL ONTARIO MUSEUM