A brief history of dinosaurs - Live Science The history of dinosaurs encompasses a long time period of diverse creatures This piece of art is a reconstruction of a late Maastrichtian (~66 million years ago) paleoenvironment in North
Supersaurus might be the longest dinosaur that ever lived The gold medal for the longest dinosaur in the world might go to the aptly named Supersaurus, now that scientists have fixed a fossil mix-up and analyzed new bones excavated from the long-necked