Sauropod (long-necked dinosaur)
~ 75 – 90 feet
~ 30 – 70 tons
Montana, Wyoming, Colorado, Oklahoma, New Mexico, Utah
Late Jurassic Period
Apatosaurus lived during a time of many gigantic sauropod dinosaurs, including Diplodocus, Camarasaurus, and Brachiosaurus. Unlike these other sauropods, Apatosaurus had a relatively wide neck.
Displayed along the Montana Dinosaur Trail:
Museum of the Rockies, Phillips County Museum