# brachydegma fossilfriday qikiqtania openacess navajosphenodon stegouros pterosaur taytalura smilosuchus osteomyelitis

The Permian ray-finned fish is long-known, but new data from CT scans gave paleo nerds a better idea of its affinities and suspensorium* anatomy this week, e.g. showing a joint b/w the articular and symplectic.

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2022-08-13

ICYMI: The new fish relative debuted this week, and despite being cousin to tetrapods, was thoroughly aquatic. You could say it was a bit of a backslider. https://t.co/PWsckCtJv0
🎨by

12 28
2022-07-23

A new study by a China/UK/US group looks at animal traces (ichnofossils) on seafloors to see look at recovery after Earth's largest mass extinction: https://t.co/tTuiuoQsVu

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2022-07-02

Meet Strophodus rebecae, a new shark from the Cretaceous of Colombia. Although so far only teeth have been found, they're distinctive enough to place in the extinct family †Hybodontidae. https://t.co/M0NDDqIw4P 🎨 by Jorge Blanco

36 104
2022-06-17

This is the CT-scanned skull of sani, a 190 million-year-old tuatara relative from Arizona, USA. It shows that many tuatara features were already present at a time when dinosaurs were just hitting their stride.

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2022-03-05

On the left: a macuahuitl. On the right, the newly described dinosaur elengassen, published this week in https://t.co/mpom5FvPA4 (paywall)

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2021-12-04

Out earlier this week, a specimen shows evidence of a muscle bridging the junction between the body and torso, which is interpreted as a "fairing." You've got to love this illustration.

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2021-10-23

The recently described alcoberi is on the lineage leading to both rhynchocephalians and lizards/snakes. This beautifully preserved skull analyzed by CT helps show when traits unique to each evolved. https://t.co/NJNTpI5nH9

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2021-09-04

SMIL-ing through the pain? A specimen of the Triassic phytosaur shows evidence of extensive bone fractures and healing consistent with In this diagram, all the indicated bones had some kind of fracture!

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2021-06-12

Want to know where your teeth come from? Sharks can't tell you; they're doing their own weird thing. Analysis in a phylogenetic context shows that their conveyor belt teeth are pretty specialized. 🎨 by https://t.co/L0RCm5Wo9P

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2021-05-15