Doolysaurus is believed to have lived during the mid-Cretaceous period ...
The Mesozoic world: the earth in upheaval -- Dawn of the Utah Mesozoic: the age of dinosaurs begins -- The early and middle Jurassic: a time of transition -- The late Jurassic: the golden age of the ...
Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of the last dinosaurs from southern North America features a long-necked Alamosaurus. - Natalia Jagielska A ...
The extent of an incredible dinosaur highway has been revealed in Bolivia, a country where actual skeletal fossils are rare. More than 16,000 footprints, along with tail impressions from creatures of ...