A redescription of the Late Jurassic (Tithonian) turtle Uluops uluops and a new phylogenetic hypothesis of Paracryptodira

Rollot, Yann ✉; Evers, Serjoscha W.; Joyce, Walter G.

Angol nyelvű Szakcikk (Folyóiratcikk) Tudományos
Megjelent: SWISS JOURNAL OF PALAEONTOLOGY 1664-2376 1664-2384 140 (1) Paper: 23 , 30 p. 2021
  • SJR Scopus - Paleontology: Q2
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Szakterületek:
  • Föld- és kapcsolódó környezettudományok
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.
Hivatkozás stílusok: IEEEACMAPAChicagoHarvardCSLMásolásNyomtatás
2024-12-06 07:56