How lond did dinosors live?

What time period did the sac and fox live in? How are birds and dinosaurs closely related? What does the term dinasour mean? What is so unusual about the leptoceratops dinosaur? How fast was the fastest dinosaur and how did ther determine that? What type of dinosaur is bowser? Did cavemen and dinosaurs live separately? What word means to walk on 4 legs? How did the ankylosaurus interact with it's environment? Did pegases live long ago? Are dinisours a live? What is a group of dachshunds called? What continent dinosaurs live in? When did the Quaternary Period begin? What is the most fierce dinosaur ever? What else does demon refer to in dragon wings? What is the iguanodons common nick name? What is the name of the time period 100 million years ago? Are there modern day ancedtors alive today of stegosaurus? What takes 5 hours to breed in DragonVale?