Apatosaurus opponent of Marsh and his taxa, labeled the "Apatosaurus" mount of the American Museum of Natural History "Brontosaurus". Because of this decision the name "Brontosaurus" was commonly used outside of scientific literature for what Riggs considered "Apatosaurus", and the museum's popularity meant that "Brontosaurus" became one of the best known dinosaurs, even though it was invalid throughout nearly all of the 20th and early 21st centuries. It was not until 1909 that an "Apatosaurus" skull was found during the first expedition, led by Earl Douglass, to what would become known as the Carnegie Quarry at Dinosaur National Monument. The skull
Dinosaur (Disney's Animal Kingdom) Dinosaur (Disney's Animal Kingdom) Dinosaur, formerly known as Countdown to Extinction is a dark ride EMV attraction at Disney's Animal Kingdom in Walt Disney World, Lake Buena Vista, Florida. The ride features a turbulent journey through the late Cretaceous period, featuring prehistoric scenes populated with dinosaur audio-animatronics. Originally named "Countdown to Extinction" when the park opened in 1998, the ride's name was later changed to "Dinosaur" to promote the Disney animated film of the same name. However, the two dinosaurs most prominently featured in the ride have always been an "Iguanodon" and "Carnotaurus", which were both featured prominently in the