Apatosaurus of gigantic sauropod dinosaurs. The family includes some of the longest creatures ever to walk the earth, including "Diplodocus", "Supersaurus", and "Barosaurus". "Apatosaurus" is sometimes classified in the subfamily Apatosaurinae, which may also include "Suuwassea", "Supersaurus", and "Brontosaurus". Othniel Charles Marsh described "Apatosaurus" as allied to "Atlantosaurus" within the now-defunct group Atlantosauridae. In 1878 Marsh raised his family to the rank of suborder, including "Apatosaurus", "Atlantosaurus", "Morosaurus" (="Camarasaurus") and "Diplodocus". He classified this group within Sauropoda, a group he erected in the same study. In 1903 Elmer S. Riggs said the name Sauropoda would be a junior synonym of earlier
The Good Dinosaur The Good Dinosaur The Good Dinosaur is a 2015 American 3D computer-animated adventure film produced by Pixar Animation Studios and released by Walt Disney Pictures. The film is directed by Peter Sohn in his directorial debut from a screenplay by Meg LeFauve from an original idea by Bob Peterson. Set on a fictional Earth in which dinosaurs never became extinct, the film follows a young "Apatosaurus" named Arlo, who meets an unlikely human friend while traveling through a harsh and mysterious landscape. The film features the voices of Raymond Ochoa, Jack Bright, Sam Elliott, Anna Paquin, A.J. Buckley, Steve Zahn,