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. 2021 Jun 16;8(6):210377. doi: 10.1098/rsos.210377

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© 2021 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 2. — Line drawings of A. altus holotype right femur (AMNH FARB 5764), as originally presented by Osborn & Mook [42], in (a) medial, (b) posterior, (c) anterior and (d) lateral views, with the cross-sectional shape at the midshaft shown in (e). Unshaded areas represent entirely reconstructed regions of the femur. Scale bar, 100 mm.