PaleoDB taxon number: 68170
Full reference: R. P. Ratkevich and R. Scarborough. 1998. A new Cretaceous brachiosaurid dinosaur from southern Arizona. Journal of the Arizona-Nevada Academy of Science 31(1)
Sister taxa: none
Type specimen: ASDM 500, a set of postcrania. Its type locality is "Sonorasaurus" site, Whetstone Mountains, which is in an Albian/Cenomanian fluvial sandstone in the Turney Ranch Formation of Arizona.
Ecology: ground dwelling herbivore
Average measurements (in mm): femur circumference 700.0, fibula length 960.0, fibula circumference 255.0, radius length 890.0, radius circumference 260.0, tibia 980.0 x 145.0, tibia circumference 340.0, ulna length 1050.0, ulna circumference 310.0
Estimated body mass: 41.9 tons based on femur circumference