File:Dinosaur National Monument Vertebrae.jpg
Classification: Animalia, Chordata, Vertebrata, Dinosauria, Saurischia, Sauropoda, Diplodocidae
Stratigraphy: Carnegie Quarry Sandstone, Brushy Basin Member, Morrison Formation, Kimmeridgian Stage, Upper Jurassic, ~150 to 156 Ma
Locality: Carnegie Quarry, Dinosaur National Monument, northern Uintah County, northeastern Utah, USA
See info. at: en.wikipedia.org/key/Diplodocus and en.wikipedia.org/key/Sauropoda and
en.wikipedia.org/key/Dinosaur_National_Monument