Alternative combination: Diplodocus carnegiei
Full reference: J. B. Hatcher. 1901. Diplodocus Marsh; its osteology, taxonomy, and probate habits, with a restoration of the skeleton. Memoirs of the Carnegie Museum 1:1-63
Type specimen: CM 84. Its type locality is Carnegie Quarry D(3), Sheep Creek, which is in a Kimmeridgian/Tithonian lacustrine horizon in the Morrison Formation of Wyoming.
Ecology: ground dwelling herbivore
Average measurements (in mm): coracoid length 512.0, femur 1474.5 x 183.0, femur circumference 510.0, fibula 1055.0 x 88.0, fibula circumference 240.0, scapula 1240.0 x 204.0, tibia 1010.0 x 130.0, tibia circumference 358.0
Estimated body mass: 15.3 tons based on femur circumference and femur length