Project 3919: Y. Rollot, S. W. Evers, W. G. Joyce. 2021. A redescription of the Late Jurassic (Tithonian) turtle Uluops uluops and a new phylogenetic hypothesis of Paracryptodira. Swiss Journal of Palaeontology. 140 (1):none yet.
Abstract
We study the Late Jurassic (Tithonian) turtle Uluops uluops using micro-computed tomography scans to investigate the cranial anatomy of paracryptodires, and provide new insights into the evolution of the internal carotid artery and facial nerve systems, as well as the phylogenetic relationships of this group. We demonstrate the presence of a canalis caroticus lateralis in Uluops uluops, the only pleurosternid for which a palatine artery canal can be confidently identified. Our phylogenetic analysis retrieves Uluops uluops as the earliest branching pleurosternid, Helochelydridae within Pleurosternidae, and Compsemydidae including Kallokibotion bajazidi within Baenidae, which suggests at least two independent losses of the palatine artery within paracryptodires. We expect future studies will provide additional insights into the evolution of the circulation system of paracryptodires, as well as clarifying relationships along the turtle stem.Read the article »
Article DOI: 10.1186/s13358-021-00234-y
Project DOI: 10.7934/P3919, http://dx.doi.org/10.7934/P3919
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MorphoBank Project 3919
MorphoBank Project 3919
- Creation Date:
27 January 2021 - Publication Date:
21 May 2021 - Project views: 19016
- Media downloads: 11
Authors' Institutions
- Université de Fribourg (University of Fribourg)
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member name | taxa | specimens | media |
Yann Rollot Project Administrator | 1 | 1 | 38 |
Serjoscha Evers Full membership | 0 | 0 | 0 |
Walter Joyce Full membership | 0 | 0 | 0 |
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