Paleontologist and postdoc at the American Museum of Natural History. I study reptile origins, sensory evolution, and all things Permian🦎🐢🐊
Xavier A. Jenkins
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Dimetrodon's Daydream
#berensart2026 #paleoart
Video
New paper. Modern hagfishes (Myxiniformes) have radically reduced eyes. When did these reductions happen, and how? Leveraging the diverse hagfish fauna from Mazon Creek, we show this happened gradually in animals occupying shallow marine environments
royalsocietypublishing.org/rsbl/article...
🔵🟠KNICKS IN 5!*🟠🔵
A fossil thought to be key to turtle evolution turns out to be something else - which clarifies where our shelly friends came from.
Today’s free newsletter is out (short article + my latest writing + upcoming events + ear perks from the week).
Turns out a proposed turtle ancestor isn't, but that makes the origins of our shelly friends clearer.
Led by the incomparable Sanaa El-Sayed, a study out today in Science Advances throws open an important new window on marine fish diversity during the critical few million years following the K-Pg mass extinction. Below: artistic vision of the new fauna by Ian Baylatry.