Coelophysis was a slender carnivorous dinosaur that lived during a time when Earth looked nothing like it does today. Fossil discoveries in the southwestern United States have made it one of the ...
Remains of a species of a large, sabre-toothed predatory protomammal, which disappeared 251.9 million years ago, have been found in the rocks of the Karoo, in South Africa. The find sheds light on ...