Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

Map shows how the major continents were arranged 220 million years ago in the Pangea supercontinent ... The herbivorous dinosaurs didn't reach Jameson Land in Greenland ("JL") until about ...

The supercontinent of Pangaea 202 million years ago, shortly before the Triassic-Jurassic Extinction. Evidence of early dinosaurs has been found in the indicated areas; most species were confined ...