Tyrannosaurus rex actually lived in a diverse bunch of environments, ranging through most of the eastern part of what is now the United States, and southern Canada. read more
Here is a great picture that shows many animals Tyrannosaurus lived alongside. (it is from a video game called Saurian) Some of the more famous dinosaurs to live alongside Tyrannosaurus include triceratops, edmontosaurus, ankylosaurus, pachycephalosaurus and dakotaraptor. read more
Well, I've got some good news for you: there are creatures that are alive today that existed alongside dinosaurs. So, basically, we're living with prehistoric creatures that were BFF with dinosaurs. 1. read more