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. 2017 Feb 21;5:e3024. doi: 10.7717/peerj.3024

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© 2017 Dewaele et al.

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

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IRSNB 1192-M276a lumbar vertebrae of Prophoca rousseaui of uncertain positioning (LV1-LV4?) (A–F) and the fifth lumbar vertebra (G–I) in dorsal (A, D, G), anterior (B, E, H) and left lateral (C, F, I) view.