Fig. 4. A in A new diplodocoid sauropod dinosaur from the Upper Jurassic Morrison Formation of Montana, USA

Fig. 4. A. Phylogenetic relationship of the Sauropoda as proposed by Wilson (2002). B. 50% majority heuristic bootstrap phylogeny using the updated matrix of Wilson (2002) and with Suuwassea emilieae and Losillasaurus giganteus added. Note the resultant trichotomic nature of the Flagellicaudata. Bootstrap values (percentages) indicated along each stem.