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Tibia of Omeisaurus tianfuensis ZDM T5701 (A; traced from He, Li & Cai, 1988), Dyslocosaurus polyonychius AC 663 (B), and Apatosaurus louisae CM 3018 (C; traced from Gilmore, 1936) in proximal view. Note the different outlines (anteroposteriorly compressed, A, C441-1; subtriangular, B, C442-1; subrectangular, C, C442-0), and the projection posterior to the cnemial crest (B; C446-0). Abb.: cc, cnemial crest. Scaled to same anteroposterior length.
