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You’ve heard of the Burgess Shale, but what about Sirius Passet?

Anomalocaris

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

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