File:Platychelys.jpg
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English: Only-known complete individual of Platychelys oberndorferi from the Late Jurassic of Eichstätt, Germany (undescribed; coll. Stefan Schäfer, Puchheim, Germany), illustrating the peculiar morphology of this species [photo by H. Tischlinger]. The biomechanichal reconstructions (b–e) represent specimen NMB So.596, for which the shell, two cervical vertebrae, and one caudal vertebra are known (elements in white). Other parts of the skeleton (elements in grey) where either derived from other specimens or reconstructed based on adjoining elements (see Methods). (b) Maximal protraction of the neck. (c) Neutral position of the neck (maximum overlap of zygapophyses). (d) Probable maximal retraction of the neck. (e) Extreme hypothesis of maximal retraction of the neck (see Biomechanical analysis). Reconstructions by P. Röschli. |
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| Source | A Jurassic stem pleurodire sheds light on the functional origin of neck retraction in turtles Scientific Reports https://www.nature.com/articles/srep42376 | |||
| Author | Jérémy Anquetin, Haiyan Tong & Julien Claude | |||
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  This file is licensed under the Creative Commons Attribution 4.0 International license.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 13:08, 2 July 2021 | | 1,575 × 2,565 (664 KB) | Hemiauchenia (talk | contribs) | Transferred from https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsrep42376/MediaObjects/41598_2017_Article_BFsrep42376_Fig2_HTML.jpg |
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