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Excited to share our new paper in Science Advances! Led by Dr Wei Wang at #IVPP in Beijing, it presents a complete skeleton of #Austronaga, the most marine of all archosauromorphs. To boot, this fossil preserves the oldest complete digestive tract of any reptile! www.science.org/doi/10.1126/...

End cretaceus hell

Proud to share our latest paper in out in Nature today on the origin of #snakes. We present Tametara mirim, an articulated 3D preserved stem snake from the Late Cretaceous of Brazil. Tametara helped us re-tell the story of snake origins in a novel way... www.nature.com/articles/s41...

Exceptional brain and ecological diversity in the earliest snakes - NatureA well-preserved fossil snake from the Late Cretaceous of Brazil shows early ecological and brain shape disparity in the group.www.nature.com

I feel like this is going to be a constant narrative for a while now

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).

Friday Fragments #15Turns out a proposed turtle ancestor isn't, but that makes the origins of our shelly friends clearer.buttondown.com

Cetacea

Thanks to researchers at the Idaho Museum of Natural History, ISU, and their colleagues around the globe, we’ve got the answer to a question perplexing paleontologists for years: What exactly is a turtle? More at www.isu.edu/news/2026-sp.... @gondwannabe.bsky.social #idahostateucose #STEM

IMNH, ISU Researchers Upend Understanding of Turtle OriginsThanks to researchers at the Idaho Museum of Natural History, Idaho State University, and their colleagues around the globe, we’ve got the answer to a question perplexing paleontologists for years: Wh...www.isu.edu

Here's some of what i was commissioned for this study! Skeletal reconstruction of Protorosaurus, a rather plesiomorphic archosauromorph (with completely unique caudal vertebrae though) And the bizarre, basal turtle relative: Pappochelys:

A very important open access study (doi.org/10.1016/j.cub.…) led by @semifossorial.bsky.social on the ancestry of turtles was published! Eunotosaurus' similarities are just a case of evolutionary convergence, & pantestudines might have a close relationship to sauropterygians within archosauromorpha

Our paper on turtle origins is finally out in Current Biology, with two major implications for our understanding of reptile evolution 🐢 #Paleontology #Turtles #Evolution www.cell.com/current-biol...

The resemblance is uncanny! What a perfect name for this awesome fish. 🐟🧪

Result from the Zechstein sea #paleostream! This famous deposit from the late Permian of Central Europe (mostly Germany) has a special place in paleontology history and incidentally has a locality not even a km from where I sit right now.

Eunotosaurus has a plesiomorphic inner ear shape & few distinct traits that could link it to turtles specifically. Our dataset shows inner ear shapes contain phylogenetic signal, but also many shapes that likely evolved convergently. @olorotitan.bsky.social created this beautiful reconstruction

New paper: we describe the inner ear anatomy of Eunotosaurus africanus, based on a specimen that has not been published previously. Open access @journalsystpal.bsky.social: www.tandfonline.com/doi/full/10....

Cambrian on my mind #sciart

🦕 A new species of baby dinosaur discovered from South Korea's Aphae Island has been named after one of the country's most beloved cartoon characters: Dooly. 🔗 𝐂𝐡𝐞𝐜𝐤 𝐨𝐮𝐭 𝐨𝐮𝐫 𝐥𝐚𝐭𝐞𝐬𝐭 𝐛𝐥𝐨𝐠 𝐭𝐨 𝐥𝐞𝐚𝐫𝐧 𝐚𝐥𝐥 𝐚𝐛𝐨𝐮𝐭 𝐢𝐭: blog.pensoft.net/.../fossil-x... ➡️ 𝐒𝐞𝐞 𝐭𝐡𝐞 𝐨𝐫𝐢𝐠𝐢𝐧𝐚𝐥 𝐬𝐭𝐮𝐝𝐲: fr.pensoft.net/article/1781...

Fossil X-ray Reveals New Species of Baby Dino Named after Iconic Korean Cartoon | BlogNamed Doolysaurus huhmini, this baby dinosaur was discovered on South Korea's Aphae Island.blog.pensoft.net

Thought I'd do a thread of some of my favorite #paleoart - inspired by watching an old Skeleton Crew podcast episode "Sinopteroberries" - uncertain pterosaur, possibly Nemicolopterus, but probably a juvenile Sinopterus enjoying some red podocarp berries (John Conway) #sciart

Fossil evidence suggests Sonselasuchus cedrus, an ancient crocodile relative, transitioned from walking on four legs as a juvenile to bipedal locomotion in adulthood during the Late Triassic. doi.org/hbrtbx

'Peculiar' crocodile ancestor started life on four legs before learning to walk on twoA "peculiar" ancient relative of the crocodile which experts believe began life on four legs before, in adulthood, it learned how to walk on just two has been revealed in a new study. phys.org

Results from the #paleostream! Arctognathus with Arctops, Tanyka, Nannippus (with giant puffer fish) and Caninosaurus.

Contribute to PhyloPic—researchers use it a lot! www.phylopic.org/images/6a38b...

Tyrannosaurus rex by Manuel Brea Lueiro (CC0 1.0) - PhyloPicA free silhouette image of Tyrannosaurus rex Osborn 1905 by Manuel Brea Lueiro (License: CC0 1.0 Universal Public Domain Dedication).www.phylopic.org