Burgess Shale Adult Crewneck SIZE:SMALL Albertosaurus was first discovered by

Albertosaurus was first discovered by Joseph B

The last ceratopsian (horned dinosaur) to evolve about 68 million years ago was Triceratops

This 500 piece puzzle features Albertosaurus sarcophagus

this glass ornament features a tyrannosaur skull and the Royal Tyrrell Museum logo

This fearsome predator was among the largest animals in the Cambrian oceans

Burgess Shale Adult Crewneck SIZE:SMALL Albertosaurus was first discovered byBurgess Shale Canadian Icons Crewneck, Adults $34. 99 CAD Light Blue 50% Cotton, 50% Polyester A Royal Tyrrell Museum original Royal Tyrrell Museum Cooperating Society Members receive a 15% discount SM, MED, LG, XL, 2XL The animals of the Burgess Shale are among the first complex creatures to appear in the fossil record. They lived in the Cambrian seas more than 500 million years ago. Find them on display in our First Life gallery!