The Brachiosaurus did its dino thing on Earth during the latter stages of this period from 200 to 150 million years ago
[DOC] [TLE] When They Lived | Learn About Dinosaurs | The Dinosaur Stop [PAR] What the climate was like, what types of plants grew, and how did Earth change 
due to ... Before the Triassic started, around 252 million years ago, there was a 
mass ... Brachiosaurus, and many othersthat roamed the land late in the period
.