Reptilia - Dinosauria - Diplodocidae

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

Belongs to Diplodocus according to P. Upchurch et al. 2004

Sister taxa: Diplodocus hallorum, Diplodocus hayi, Diplodocus lacustris, Diplodocus longus

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