Xavier Jenkins (@semifossorial) profile picture

Xavier Jenkins

@semifossorial

Paleontologist and postdoc at the @AMNH. I study reptile origins, sensory evolution, and all things Permian🦎🐢🐊

 New York, NY
Joined June 2026
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Lizzie is a stem-tetrapod Igielman, B., Jenkins, X., Head, J. et al. Evolution of terrestrial anatomy revealed by a derived stem tetrapod. Nature (2026). doi.org/10.1038/s41586-026-1…
Evolution of terrestrial anatomy revealed by a derived stem tetrapod

Evolution of terrestrial anatomy revealed by a derived stem tetrapod

Nature - New anatomical evidence reclassifies Westlothiana as an aquatic stem tetrapod, showing that terrestrial limb adaptations evolved mosaically in transitional amphibious environments before...

nature.com
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Hopped back on here to post about our #Eunotosaurus work, but forgot to post about it. I guess let’s see how things are going on over here these days 👀
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Paléonews (@PaleonewsFrance) profile picture
Paléonews@PaleonewsFranceMay 30
Cette étude n'a pas seulement changé l'histoire de l'origine des tortues en séparant Eunotosaurus des Pantestudinés*, elle détruit aussi les Parareptiles ! 🤯 theconversation.com/turtles-… * faisant des similitudes entre les deux des convergences évolutives
Turtles finally have a place in the tree of life: X-ray study of South African fossils was a decider

Turtles finally have a place in the tree of life: X-ray study of South African fossils was a decider

Palaeontologists have got a clearer picture of where turtles fit in the animal kingdom, thanks to analysis of a southern African fossil.

theconversation.com
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