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
Lufeng Dinosaur Museum Lufeng Dinosaur Museum The Lufeng Dinosaur Museum is located in Jingshan ("Golden Hill"), Lufeng County, Yunnan Province, China. Lufeng is the site of numerous Jurassic dinosaur discoveries, first found there in 1938. Most well known is Lufengosaurus, a Jurassic prosauropod. More recently, teeth and a skull of Ramapithecus, a Miocene period primate related to the orangutan, have been found in Lufeng. The Lufeng Dinosaur Museum includes the hall of ancient living beings where four complete dinosaur skeletons ranging from 2.4 meters to 9 meters in length are on display. In addition, there is a display of photographs and diagrams of