Title: Amphicoelias "brontodiplodocus", a new sauropod, from the Morrison Formation, Big Horn Basin, Wyoming, with taxonomic reevaluation of Diplodocus, Apatosaurus, Barosaurus and other genera
Subjects: Saurischia, Dinosaurs, Amphicoelias brontodiplodocus, Paleontology
Places: Morrison Formation, Wyoming, Ten Sleep Region
Time periods: Jurassic