Cervical vertebrae. Neural arch of anterior cervical vertebra in 1, lateral; 2, dorsal; and 3, posterior view. Mid cervical vertebra in 4, lateral (image reversed); 5, dorsal; and 6, posterior view. Posterior cervical vertebra in 7, lateral; 8, dorsal; and 9, posterior view. Centrum of axis vertebra in 10, lateral; 11, dorsal; and 12, posterior view. Centrum of mid cervical vertebra in 13, lateral; 14, dorsal; and 15, posterior view. Centrum of posterior cervical vertebra in 16, lateral; 17, dorsal; and 18, posterior view. Scale bar is 10 cm. Inset compares mid cervical vertebrae in lateral view (not to scale) of Euhelopus zdanskyi, Malawisaurus dixeyi, an unnamed titanosaur from Peiropolis, Brazil, Alamosaurus sanjuanensis, Saltasaurus loricatus, and Titanosaurus colberti. |