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Sonorasaurus thompsoni Ratkevich and Scarborough 1998 (brachiosaurid)

Reptilia - Saurischia - Brachiosauridae

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)

Belongs to Sonorasaurus according to M. D. D'Emic et al. 2016

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