/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083152allosaurus-skull-cast.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083152dinosaur-tracks.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083152darwinopterus-skeleton.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083152munich-archaeopteryx-slabs-300x139.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083151minisauripus-track.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083151tyrannosaur-jaw-bite-300x164.jpg)
What killed this tyrannosaur?
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/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083150Dimetrodon-restoration-300x199.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083150tyrannosaurus-lesions-300x225.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083150anchiornis-restoration-300x169.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083150great-dinosaur-discoveries-232x300.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083149raptor-protocetatops-300x296.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083149raptorex-skeleton.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083149sphinophorosaurus-skeleton-niger.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083148Brachiosaurus-German-Museum-225x300.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083146dinosaur-limb-bone-monument.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/Jean-Bernard-Caron-colleagues-quarry-631.jpg)
The Burgess Shale: Evolution’s Big Bang
A storied trove of fossils from a Canadian paleontological site is yielding new clues to an explosion of life on earth
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What killed this tyrannosaur?
The Burgess Shale: Evolution’s Big Bang
A storied trove of fossils from a Canadian paleontological site is yielding new clues to an explosion of life on earth
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