Fossils record ancient migrations and trilobite orgies

Few specimens inspire greater thrills among fossil collectors than a complete trilobite. These ancient arthropods – relatives of lobsters, spiders and insects – went extinct more than 250 million years ago, but ...

Unexpected exoskeleton remnants found in Paleozoic fossils

Surprising new research shows that, contrary to conventional belief, remains of chitin-protein complex -- structural materials containing protein and polysaccharide -- are present in abundance in fossils of arthropods from ...

500 million year old fossils discovered on new site

During an expedition into the Canadian Rocky Mountains in 2008, a Canadian-led team including Swedish researchers from Uppsala University found a new site with exceptionally preserved fossils. The site and its fossils have ...

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