Floris van Breugel / Warm sunlight after a snowstorm reveals intricate patterns in the 'Painted Hills' caused by slowly eroding rich fossil beds, in the John Day Fossil Beds National Monument, Oregon, USA. December 2009

Steven David Miller / Fossil Dinosaur footprints, Lark Quarry Dinosaur Trackways, via Winton, Queensland, Australia The building at the Lark Quarry Dinosaur Trackways protects more than 3,000 fossilised footprints that we...

SINCLAIR STAMMERS / Fossil of Feathery arm of Crinoid from the Pentacrinite bed, Black Ven, West Dorset, UK, Jurassic Period

Pete Oxford / Dinosaur footprints from the cretaceous period on uplifted fossilized lake bed, Sucre, Bolivia

Paul D Stewart / Fossil Trilobite (Triarthus eatoni) showing rare pyrites preservation of the limbs and antennae. From the late Ordovician 'Beecher's Bed' of Oneida County, New York, USA. The site is named after Charl...