3D models related to the publication: An assemblage of giant aquatic snakes (Serpentes, Palaeophiidae) from the Eocene of Togo

Georgalis, Georgios L.; Guinot, Guillaume; Kassegne, Koffi Evenyon; Amoudji, Yawovi Zikpi; Kodjo, Mawugno Koffi; Cappetta, Henri; Hautier, Lionel

doi:10.18563/journal.m3.154

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“…Image segmentation of the vertebral elements was performed on the μCT images with Avizo.Lite 2019.4 (Visualization Sciences Group) software. The 3D virtual restoration was performed with MorphoDig software (v. 1.5.3;Lebrun 2018) and the virtually restored 3D models are deposited in MorphoMuseuM (Georgalis et al, 2021).…”

Section: D Reconstructionsmentioning

confidence: 99%

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An assemblage of giant aquatic snakes (Serpentes, Palaeophiidae) from the Eocene of Togo

et al. 2021

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We here describe a monospecific assemblage of giant aquatic snakes from the middle Eocene of Kpogamé, Togo. The material, consisting of large isolated vertebrae, is referred to Palaeophis africanus, an enigmatic palaeophiid species, which was so far otherwise known only from a limited number of vertebrae from the middle Eocene of Nigeria and Angola. Material from the late Eocene of the eastern USA that had been referred to the same species, is here instead considered too fragmentary for species-level determination and Palaeophis africanus is thus so far restricted to Africa. With the aid of micro-CT scanning, we present 3D models of 17 vertebrae, pertaining to different portions of the vertebral column. We provide detailed comparisons of the new material with all named African species of the genus Palaeophis. A tentative diagnosis of Palaeophis africanus is provided. With more than 50 vertebrae, the new Togolese specimens represent the most abundant known material attributed to Palaeophis africanus and significantly enhance our knowledge of the vertebral anatomy and intracolumnar variation for this taxon. Furthermore, this adds to the, as yet, extremely scarce fossil record of squamates from central western Africa, a region where Paleogene herpetofaunas are only rather poorly known.

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Section: D Reconstructionsmentioning

confidence: 99%

“…All other illustrated specimens are permanently curated at the collections of MNHN and NHMUK. The virtually restored 3D models of 17 vertebrae are deposited in MorphoMuseuM (Georgalis et al, 2021).…”

Section: Fundingmentioning

confidence: 99%