K @captain-colosteid.bsky.social · 4hOn the Discovery of the First Tetrapod Burrow from the Pennsylvanian-Age Clifton Formation, Stonehaven, New Brunswick, Canadamdpi.com 011
Reposted by KMichael Warburton @michaelwarburton.bsky.social · 06/10/2026Nina Simone in Central Park (1959) 📷 by Chuck Stewart 181081135
Reposted by K Xavier A. Jenkins @semifossorial.bsky.social · 30/09/2026Out today: We show that Westlothiana lizziae or "Lizzie," described 35 years ago as the world's oldest reptile - is not a stem amniote at all, but a stem tetrapod. www.nature.com/articles/s41... 312960
Reposted by KJ Pardo @jdpardo.bsky.social · 29/09/2026Posting for your consideration, without comment. 0103
Reposted by KPer Ahlberg @perahlberg.bsky.social · 25/09/2026Here's a petition to save the Academy of Natural Sciences in Philadelphia. Please sign, the closure of this wonderful museum would be a disastrous loss to Philadelphia and the world. actionnetwork.org/petitions/pe...actionnetwork.orgPetition to Keep the Academy of Natural Sciences Open to the PublicThe scientific community in Philadelphia and concerned neighbors are calling on Drexel University to keep the Academy of Natural Sciences of Philadelphia’s public-facing museum open beyond their impos... 21910
K @captain-colosteid.bsky.social · 24/09/2026static.klipy.comWayne's World: Excellent Thumbs UpALT: Wayne's World: Excellent Thumbs Up 010
Reposted by KEmily Troyer @fishfetisher.bsky.social · 22/09/2026Asking very important, serious questions at the OMNH fish collection 3192
K @captain-colosteid.bsky.social · 22/09/2026Indeed! You'll get the contents of the bag next week if you guess correctly... Well, you'll also receive it if you guess incorrectly… It's sort of like an early Christmas gift this way. 110
K @captain-colosteid.bsky.social · 22/09/2026Waiting in the Boston Airport, rereading Pardo et al. 2017 (Hidden morphological diversity among early tetrapods), with the highlight specimen from that paper, Lethiscus, in my bag. We are rescanning it at the ESRF to take a closer look at the stapes & inner ear Attached are figures from said paper 260
K @captain-colosteid.bsky.social · 21/09/2026Flying to Boston to acquire and transport a specimen for scanning. I have tons of legroom and most importantly nobody is sitting next to me! I pray to have the same luck flying back. 010
Reposted by KPALAEONAVIX @palaeonavix.bsky.social · 17/09/2026Eogyrinus, stem tetrapod or stem amniote, from the Carboniferous #embolomere #sketch #research #reptiliomorph #tetrapoda #carboniferous 0278
Reposted by KDr Stephan Lautenschlager @palaeostephan.bsky.social · 15/09/2026New paper out today! Led by Daniel Schwarz, we retrodeformed the skull and reconstructed the cranio-mandibular musculature of the giant stem-amphibian Mastodonsaurus giganteus. Our results show that Mastodonsaurus had a powerful bite and a crocodile- like bite-and-hold feeding style. 116653
Reposted by KHady George @houdzgeorge.bsky.social · 16/09/2026Welcome Dinodontosaurus isiyavamanda! I'm delighted to introduce you to a new species of protomammal. Hailing from the Triassic of Tanzania, this is the first record of Dinodontosaurus outside of South America, and it informs on the origin of dinosaurs. Here's a thread summarising our findings 🧵 213646
Reposted by KMychal Threets @mychal3ts.bsky.social · 09/09/2026Ruby Bridges was 6-years-old when she stepped into the history books. Bravely accompanied by her mother, she was the first Black child to desegregate an all-white school in the South. It was not long ago… Today is her birthday. She is still with us. She is 72. Happy birthday, Ruby Bridges 💜 4074352352
Reposted by KJ Pardo @jdpardo.bsky.social · 08/09/2026The fossil record asking you to take it literally just one more time 1132
K @captain-colosteid.bsky.social · 08/09/2026When giant amphibians rule the river: Community trophic structure of Japanese giant salamander ecosystemspmc.ncbi.nlm.nih.govWhen giant amphibians rule the river: Community trophic structure of Japanese giant salamander ecosystemsTop predators strongly influence food webs, often because they reach large body sizes. Amphibians are typically regarded as prey in such systems, but giant salamanders are a rare exception. Because gi... 011
Reposted by KKevin Sievers @diplotomodon.bsky.social · 07/09/2026The website is up: save-the-academy.org Important info, contact points, and news articles withinsave-the-academy.orgSave the Academy of Natural SciencesDon't mourn — organize. Rally Tue Sept 8, 10 a.m., 1900 Ben Franklin Pkwy. Nine things you can do today. 07854
Reposted by KAndrej Spiridonov @andrejpaleo.bsky.social · 04/09/2026Wonderful world of cephalopod evolution in deep time... " Here we provide an overview of some exciting fields in cephalopod research, where (in our biased opinion) the most impressive advances have been made." 🧪⚒️ #Geology #Paleobio #EvoBio www.cambridge.org/core/journal... 420369
Reposted by KEthan Baxter @ethanrockstory.bsky.social · 06/09/2026⚒️🍎🧪🦖 Meet Cameron Muskelly @cambriancam.bsky.social, a paleontologist from Georgia who has been exploring ancient life since he was a child. Hear his inspiring story of how he got his start! Want to hear more from Cam? Watch the full episode with your kids: youtu.be/P0QJXHwHkCM 14218
Reposted by KSarah McAnulty, Ph.D. @sarahmackattack.bsky.social · 05/09/2026Please repost! Drexel announced that it will close the Academy of Natural Sciences public museum- the oldest nat history museum in the US. There are 2 petitions to support the academy. Please sign both & come to our rally Tues. actionnetwork.org/petitions/pe... www.change.org/p/the-academ... 9909862
K @captain-colosteid.bsky.social · 05/09/2026Visiting the Kurt Vile mural in Fishtown, Philadelphia has been on my bucket list for a few years now. I forgot how much I love Philly… too bad this was just a stop on the way to Wellfleet, Massachusetts. 000
Reposted by KKenneth De Baets @djbirddanerd.bsky.social · 04/09/2026Interpreting Biotic Interactions in the Fossil Record: Evidence and Evolutionary Significance #paleobiology #paleobiology #fossils #ecology #evolution #EarthHistory #biodiversitydoi.orgInterpreting Biotic Interactions in the Fossil Record: Evidence and Evolutionary SignificanceFossil biotic interactions (fBIs) provide a critical but underutilized window into the ecological and evolutionary dynamics of life through time. Unlike modern ecological data, the fossil record captu... 13418
Reposted by KJ Pardo @jdpardo.bsky.social · 04/09/2026Miracinonyx was a versatile predator/scavenger of small, largely aquatic, prey, with small but stable populations extending north into the Yukon. So much for the "Miracinonyx were specialists at hunting pronghorn antelope" story. www.cell.com/current-biol...cell.comRange and diet diversity in the Pleistocene American “cheetah,” Miracinonyx trumaniCassatt-Johnstone et al. use paleogenomics to show that extinct American cheetahs were most closely related to pumas, not cheetahs. These cats ranged far into the Arctic and exploited aquatic prey, th... 085
Reposted by KScott Williams @museumguyscott.bsky.social · 01/09/2026#AcademyofNaturalScienceMuseum is closing!!!?? This is terrible news! www.inquirer.com/education/ac...inquirer.comThe Academy of Natural Sciences is closing its museum after nearly two centuriesThe closure does not affect the rest of the institution, which builds and maintains the collections and conducts research through departments such as the Patrick Center for Environmental Research. 13021
K @captain-colosteid.bsky.social · 29/08/2026It’s late, plus my glasses were off, plus I have dyslexia, and I read that as Balanerpeton and was very confused as to where you got this silhouette and briefly doubted my understanding of that taxon… 000
Reposted by KDr. Holly Walters @manigarm.bsky.social · 28/08/2026To hell with this coddled old pervert. It's Turtle Island, then, now, and forever.static.klipy.comTurtle Helps Another Turtle Flip OverALT: Turtle Helps Another Turtle Flip Over 0142
K @captain-colosteid.bsky.social · 22/08/2026Well… I saw it in 70mm… I can only force myself to say one thing, and that is: ”wow” 010
K @captain-colosteid.bsky.social · 20/08/2026I’ve waited 5 long years to gain access to this quarry, but they are finally letting us in on Monday. 000
Reposted by KRobin Saulnier Masson @robinslnr.bsky.social · 19/08/2026🚨Excited to share my first PhD paper, out in Journal of Morphology 🐸 With @kengelkes.bsky.social, we studied the ontogeny and homology of anuran forelimb muscles across 11 species, resolving long-standing inconsistencies in their nomenclature and homology. First step of many! doi.org/10.1002/jmor...doi.orgOntogeny and Homology of the Shoulder Joint and Forelimb Muscles in Frogs and Toads (Lissamphibia: Anura)The ontogenetic development, innervation, and morphology of the shoulder joint and forelimb muscles were investigated in 11 anuran species. The results reveal largely conserved splitting patterns of ... 0139
Reposted by KAndrej Spiridonov @andrejpaleo.bsky.social · 17/08/2026Popular exploration of our recent study on state shifts in climate, carbon cycle and the associated mass extinctions. www.sciencealert.com/critical-tra... 🧪⚒️ #Geology #Paleobio #EvoBiosciencealert.comEarth's Chemistry Did Something Strange Right Before Its Biggest Mass ExtinctionsLife on Earth, beginning with simple microorganisms that evolved and diversified into the incredible breadth of species living today, has always been turbulent. 1188
Reposted by KMatt Friedman @friedmanlab.bsky.social · 12/08/2026One of the most remarkable deep-sea fish groups now has a paleontological record. Ridolfi and colleagues report the first fossil stylephorid (tube-eye) from the middle Eocene of Iran. #OA in Papers in Palaeontology: onlinelibrary.wiley.com/doi/10.1002/... 14813
Reposted by KPer Ahlberg @perahlberg.bsky.social · 12/08/2026🧪Another open-access paper from our lab came out a while ago but I forgot to post a link, so here it is. Ossification of the pectoral fin skeleton of a phylogenetically basal stem lungfish. Based on the same material as my very first paper, from 1989! link.springer.com/article/10.1...link.springer.comOssification of the pectoral fin of Glyptolepis groenlandica: implications for the evolution of the lungfish appendicular skeleton - Developmental Biology AdvancesDevelopmental Biology Advances - Lungfishes are commonly considered to be the sister group to tetrapods. They appeared around 415 million years ago, then rapidly evolved, diversified and spread.... 04114
Reposted by KPer Ahlberg @perahlberg.bsky.social · 11/08/2026🧪I'm delighted to present a new open-access paper from our team, describing the contents of a fish coprolite assemblage from the beginning of the Late Devonian, about 382-380 million years old, in northern Russia. Data collected in happier days before the war. www.nature.com/articles/s41...nature.comInvestigating a Devonian vertebrate assemblage with synchrotron microtomography of coprolites - Scientific ReportsScientific Reports - Investigating a Devonian vertebrate assemblage with synchrotron microtomography of coprolites 2409
Reposted by KEd Stanley @drscanley.bsky.social · 08/08/2026Our latest paper started out as a DDIG project 14 years ago and grew into an interdisciplinary reassessment of Madagascar's oldest fossil lizard, showing that Konkasaurus mahalana is a gerrhosaur and the earliest known colonization from Africa by an extant Madagascan lineage. doi.org/10.1093/zool... 3198
K @captain-colosteid.bsky.social · 08/08/2026Hmmmm… Natt och Dag flowers were used as the logo for Engelbrekt’s rebellion? I highly doubt that’s the answer… I’m stumped! 100
K @captain-colosteid.bsky.social · 05/08/2026onlinelibrary.wiley.com/doi/pdf/10.1...onlinelibrary.wiley.comA giant plagiosaurid temnospondyl from Bjørnøya (Svalbard, Norway) and the origin of the plagiosaurid body planAn articulated temnospondyl skeleton from Middle Triassic deposits of Bjørnøya (Bear Island) in the western Barents Sea is described as a new plagiosaurid genus and species, Arctobatrachus urdensis. ... 011
K @captain-colosteid.bsky.social · 03/08/2026Perhaps I’ll go see it this weekend. There has been so much chatter about this one movie! 010
K @captain-colosteid.bsky.social · 03/08/2026We stumbled across a rather substantial collection of junkyard art in Wyoming. I jokingly named This Ichthyostega wyomingensis… 040
K @captain-colosteid.bsky.social · 03/08/2026A prairie rattlesnake (Crotalus viridis) I encountered in Montana. Sadly my camera was at camp, and I did not have my snake hook to carry the snake back to camp. 000
