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jezb22557-sup-0001-SuppData.pdf64368KFigure S1. Comparison of measured angles of raw mobility between the vertebrae at different positions of the neck. A, E) neutral position, B, F) maximal ventral flexion, C, G) maximal lateral flexion, D, H) maximal dorsal flexion. A-D) mean of pleurodires, cryptodires, and fossil taxa , E-H) mean of pleurodires and cryptodires, fossil taxa separated.

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