Reptilia - Saurischia - Brachiosauridae
Full reference: R. Ratkevich. 1998. New Cretaceous brachiosaurid dinosaur, Sonorasaurus thompsoni gen. et sp. nov., from Arizona. Journal of the Arizona-Nevada Academy of Science 31(1):71-82
Belongs to Sonorasaurus according to M. D. D'Emic et al. 2016
See also D'Emic 2012, D'Emic and Foreman 2012, Hodnett 2003, Ratkevich 1998, Taylor et al. 2011, Tidwell et al. 1999, Upchurch et al. 2004 and Wedel et al. 2000
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 circumference 255.0, radius circumference 260.0, tibia circumference 340.0, ulna circumference 310.0
Estimated body mass: 41.9 tons based on femur circumference
Distribution: found only at "Sonorasaurus" site, Whetstone Mountains
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.