Trait-space disparity in fish communities spanning 380 million years from the Late #Devonian to present www.sciencedirect.com/science/arti... #traits #fish #evolution #ecology 🌏🧪

The revision of baphetids from the Middle Pennsylvanian of the Czech Republic: Morphology, ontogeny, palaeoecology, and the reassessment of the phylogeny of Baphetoidea - Barták - The Anatomical Record - Wiley Online Library anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🚨Dinosaur footprints from the Isle of Skye! More of them! Dozens & dozens of beach-living Jurassic theropod tracks, from mid-sized megalosaurs to tiny coelurosaurs (or babies) Check out our new study led by Edinburgh Masters student Tone Blakesley! royalsocietypublishing.org/doi/10.1098/...

La vidéo de la Rencontre "Au temps des dinosaures - Remonter le temps grâce à l'illustration scientifique" avec Charlène Letenneur @cr2p.bsky.social, Alain Bénéteau et moi @mecadev.bsky.social, et animée par Aurélie Luneau @franceculture.fr est maintenant disponible. www.youtube.com/watch?v=tGtK...

A pair of beautiful Carboniferous tetrapod skulls on display at the University of Kansas Natural History Museum for #FossilFriday

It’s extremely rare to find an entire skeleton of a fossil amphibian. But that’s what this is – except for a few missing pieces of the hands and feet and the very tip of the tail. #novascotia #fossilfriday

Interesting use of lithium isotopes to test for habitat specialization in Miguasha vertebrates. Notably, the authors find evidence for marine occupancy for tetrapodamorphs Eusthenopteron and Elpistostege, compared to freshwater occupancy in other common taxa. www.sciencedirect.com/science/arti...

Chameleons & salamanders evolved a sliding-based linear actuator to launch the tongue via muscular squeezing of a tapered skeletal rod, contrasting with tendon-driven pulling mechanisms common in most musculoskeletal systems, allowing acceleration along a straight path. www.cell.com/current-biol...

Excited to share the first paper from my PhD! We looked at what traits help Aneides salamanders excel at climbing using museum specimens, CT scans, SEM, and more! No claws or toe pads, so how do they do it? In short, with long limbs, big feet and grippy toes! 🦎🧪 DM for PDF doi.org/10.1098/rspb...

🚨 REPTILE ALERT 🦎🐍🐢🐊🦉 The backbone of @semifossorial.bsky.social's PhD in my lab is finally out after literally *years* in review, and it's a doozy. Using synchrotron micro-CT scans of MANY amniotes and Paleozoic reptiles we completely restructure the reptile stem lineage across the Permian. 🤩

It’s finally out! Our work addressing the origins of reptiles is published in PCJ! peercommunityjournal.org/articles/10.... We use novel info gleaned from the scan data of dozens of stem reptiles to substantially revise our understanding of early reptile evolution #paleontology #herpetology

Huge thanks to Michel Laurin for his recommendation of my work on reptile origins in PCI Paleontology! First of many works to come (: Also thanks to Valentin Buffa, David Majanović, and others for their reviews (: paleo.peercommunityin.org/articles/rec...

An ephemeropteran, or mayfly. In Germany, we say ‘Eintagsfliege’ (one-day fly). May-be because it wasn't very careful with its wishes: "Just one day in the Permian, only one day!!"

An awesome study. PETM as a turnover/heterochrony pulse and the modulator of developmental modes in salamanders in the post-event world. More to the ideas of Elisabeth Vrba on taxonomic turnovers and developmental overturns. royalsocietypublishing.org/doi/10.1098/... 🧪 ⚒️ #Paleobio #EvoBio #Geology

Our study on the role of the #PETM on the early evolutionary success of #salamandrids is out! Delighted to be part of this great project led by Loredana Macaluso, with A.Villa, @grumpydrfabre.bsky.social & B.Mennecart #salamanders #climatechanges 🌡☀️⌛️ royalsocietypublishing.org/doi/10.1098/... (1/2)

A scene of ca. 252 million years ago during the Late Permian in the Madumabisa Mudstone Formation in Zambia, Africa. You can see here various therapsids and a Pareisaur #paleoart #art #permian

Eophrynus prestvicii, the Coseley Spider, is an extremely well-preserved, 300-million-year-old #arachnid discovered near Dudley. Though it looks like modern #spiders, it was unable to spin a web, instead catching prey using powerful jaws! #FossilFriday #LapworthRocks #geology #palaeontology

Now introducing Amenoyengi mpunduensis ('many-tooth from Mpundu'), a small moradisaurine captorhinid from the late Permian of Zambia with multiple rows of teeth! #Permian #Paleontology 😄 www.tandfonline.com/doi/full/10....

Other new species from Permian Zambia described in the JVP memoir include the temnospondyl Rhineceps karibaensis, the gorgonopsid Arctops umulunshi, and the captorhinid Amenoyengi mpunduensis

As of this morning, SVP Memoir 23 - Vertebrate Evolution in the Permian Rift Basins of Tanzania and Zambia - has been published!!! What's inside? Let's dig in:

More exciting news! I am now able to share with you more of the concept art I did for the amazing upcoming NBC Universal show “Surviving Earth” premiering next year! This time for a fan favorite, Dimetrodon! I can’t say much more than this for now 🙊

#paleoart In Carboniferous lake of Montceau-les-Mines, Platysella descusi is trying to bother Palaeocampa anthrax. Palaeocampa curls up and bristles up in defense. Two Palaeocaris secretanae and single Nyranerpeton montceauense are swimming nearby.

I am proud and grateful to present a dream project today in @nature.com www.nature.com/articles/s41... Meet #Mirasaura grauvogeli, a #wonderreptilewith skin appendages that rival feathers and hairs, challenging our view of reptile #evolution🪶🦎

Here it is! Please welcome the AMAZING Mirasaura grauvogeli, a NEW MARVELOUS Drepanosaur published in NATURE today! This astonishing reptile lived during the Middle Triassic in Europe and it possessed an amazing crest made of plume-like structures! I was commissioned to bring it to life #paleoart

Meet Palaeocampa anthrax, a newly discovered Carboniferous lobopodian, and 150 year old mystery fossil! Palaeocampa is an exceptional lobopodian - it lived in rivers and lakes, bristled with thousands of poisonous spines, and more. 🧵 Open access: nature.com/articles/s42...

L. Sciscio et al. (2025) Differentiating sauropod from thyreophoran tracks: insights from the Late Jurassic Villette Tracksite (Jura, France) Italian Journal of Geosciences 144(3): f.3 DOI: doi.org/10.3301/IJG.... www.italianjournalofgeosciences.it/297/article-...

New accepted paper from @thibault-durieux.bsky.social's PhD reporting various fungal remains within the stem of a fossil plant from the Permian of France 🌿🍄⛏️ #paleobotany #paleomycology #fossil #botany www.sciencedirect.com/science/arti...

New paper out today in @zoojlinnsoc.bsky.social for #FossilFriday AKA here's-Bryan's-one-paleo-paper-this-year-to-remind-people-I-still-do-paleo-sometimes: a revision of the #Permian #dissorophid #temnospondyl Aspidosaurus chiton based on a new specimen: doi.org/10.1093/zool... (1/n)

Campagne de fouilles septembre 2024b : www.researchgate.net/publication/...

Campagne de fouilles septembre 2024a : www.researchgate.net/publication/...

Great to see this finally out today! We show that the collapse of tropical vegetation during the Permo-Triassic extinction is a key driver of the long-term super-greenhouse climate that followed it. Read more at www.nature.com/articles/s41...

Fieldtrip day 1: today we visited not 1 but 2 sites with fossil plants 🌿⛏️🤩 Here's a nice Stigmaria, the rooting structure of a lycopsid tree from the latest Carboniferous, a little over 300 million year ago. (and yes it is extremely warm 🌡️)

An old snapshot from my collections visit to the Field Museum for this #FossilFriday. Here you can see a #Diadectes jaw & some of my notes. Such diadectids lived during the #Carboniferous & #Permian & were among the first herbivorous tetrapods to evolve. #paleontology #science 🧵 1/

New paper led by Tash Prescott - we applied equations for speed, etc that are commonly used on #dinosaur tracks to tracks made by living birds we could watch and time. TLDR: equations aren't even nearly close. Animals moving freely on compliant substrates very different to steady-state lab data

A chance discovery of a 350 million-year-old fossil reveals a new type of ray-finned #fish theconversation.com/a-chance-dis...

On yesterdays #paleostream we covered the Gogo formation, a diverse assemblage from the Devonian of Australia. It is an extremely productive formation with high levels of preservation, giving us stull like the oldest preserved heart and placoderms mid birth.

Reptiles of the Early Triassic Beaufort Group (mostly the Katberg Formation) of South Africa (ca. 251 million years ago) Sneak peek at two plates from my book (in preparation) about the tetrapods of the Triassic #paleoart #paleontology #art #reptiles #sciart

Imagine a world with horsetails as forest trees - this enormous Calamites stem cast is about 300 million years old and 12cm broad. On display in Liverpool World Museum. #FossilFriday ⚒🌏🧪🔬🌿🌱

Happy #fossilfriday! This is my recent work in progress: the Chemnitz Petrified Forest. The artwork will be displayed at the #EAVP2025 art gallery im Krakow. #paleoart #paleontology #permian #chemnitzion #chemnitz #versteinerterwald #sterbeninkarlmarxstadt #scientificillustration #SciArt

This #FossilFriday is about Sphenophyllum, a distant Paleozoic relative of horsetails 🌿⛏️ Here's a branching stem with whorls of leaves from the latest Carboniferous (~300 million year old) of the Graissessac basin, France. Reference: doi.org/10.1086/314193 🧵1/3 #paleobotany

I have a new paper out today with Rene and Bruce Lauer with a description of some new and incredibly well-preserved pterosaur soft tissues, including scales from the hands! archosaurmusings.wordpress.com/2025/06/10/n...

Fossilized gut contents elucidate the feeding habits of sauropod dinosaurs www.cell.com/current-biol...

Fossilized gut contents elucidate the feeding habits of sauropod dinosaurs: Current Biology www.cell.com/current-biol...

Early signs of social behaviour? 🧠 New analyses of fossil traces from the #Bromacker site (Thuringia) reveal scale-like skin impressions and groups of resting synapsids, incl. possibly 𝘋𝘪𝘮𝘦𝘵𝘳𝘰𝘥𝘰𝘯 𝘵𝘦𝘶𝘵𝘰𝘯𝘪𝘴! 🦴 🔗 Learn more: bit.ly/43TFcjT 📸 C. Latenneur (1), L. Marchetti et al. (2) #science

For #FossilFriday meet an absolute unit of a fossil. This is a ~75 cm chunk of Arthropleura - an animal closely related to millipedes, and found in ~325 million yeat old rocks in the UK. The whole animal was probably a little over 2.5 m in length. ⚒️🧪🦀🦑 #evosky

Finally got to visit Dinosaur Valley State Park today! Soooo many theropod and sauropod fossil tracks along the Paloxi River. The tracks are Early Cretaceous in age. The theropod is believed to probably have been Acrocanthosaurus amd the Sauropod Sauroposeidon #dinosaurs #tracks

LOVE that place! Went in November 2022 and the water was so so low, I loved walked through the ballroom

Wanna meet a weird AF fossil arachnid order for #FossilFriday? Below are phalangiotarbids - now extinct, they roamed the earth betweem 395 and 250 million years ago. Their body, like most arachnids, was segmented, but a bunch of the segments are concentrated towards their middle. ⚒️🧪🦀🦑 #evosky

sketching at the museum