The Great Permian Extinction - Marine canvas Scutellosaurus This all-over-print sweatshirt features more

This all-over-print sweatshirt features more than 20 of your favorite Cambrian creatures in a shale-inspired pattern

of Prehistoric Planet fame

This Lower Devonian Scottish fossil deposit amazingly preserved primitive plants and fungi

Non-mammalian cynodonts like Thrinaxodon may look like mammals

It had a large

The Great Permian Extinction - Marine canvas Scutellosaurus This all-over-print sweatshirt features moreIt was the most devastating extinction event ever happened on Earth, wiping out more than 90% of marine species. This extinction, which happened 252 million years ago, gave rise to a variety of new organisms in the Triassic Period.