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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)

@mmarcosaurus.bsky.social
1.3K followers 805 following 5.8K posts

An artist and geosciences graduate who likes many things, such as dinosaurs, natural history, science, fantasy, music, games, movies, animation, anime, drawing and adventures! Instagram: www.instagram.com/marcosk.pinheiro

PostsRepliesMedia
Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 2h
www.youtube.com/watch?v=3uE5...
youtube.com
100 Years of Winnie the Pooh: Our Favorite Moments with Pooh and Friends
YouTube video by Disney
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 4h
www.youtube.com/watch?v=AkWQ...
youtube.com
• 𝙄𝙣𝙫𝙞𝙘𝙩𝙞𝙗𝙚𝙡𝙡𝙖𝙩𝙧𝙞𝙭 𝙖𝙢𝙗𝙚𝙧𝙞𝙣𝙖 3D animation •
YouTube video by PALEOGDY
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Project Drawdown @projectdrawdown.bsky.social · 10h
A new HIGHLY RECOMMENDED ✅ climate solution has been released on the Drawdown Explorer! ⚫️ Use Biochar Learn more 👉 drawdown.org/explorer/use-biochar Illustration: International Biochar Initiative. (n.d.). Why Biochar. Retrieved 6 March 2026.
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 10h
Korneisel, D.E., Donatelli, C.M., Han, L. et al. Early tetrapod neck mobility modelled using an extant analogue. Nature (2026). doi.org/10.1038/s415...
doi.org
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Bill McKibben @billmckibben.bsky.social · 12h
Hey! Australia is first nation to formally endorse the drive for 300 million solar rooftops across our planet. We can do this! www.globalsolarcouncil.org/news/austral...
globalsolarcouncil.org
Australia backs plan to double the world's solar homes to 300 million by 2030
Australia has become the first country to endorse a global plan to double the number of homes with rooftop solar by 2030 as part of the 300 million solar homes initiative, putting household solar in t...
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 10h
Xu, L., Wang, M., Lin, G. et al. Jurassic flightless bird reveals early ecological diversity of avialans. Nature 658, 690–697 (2026). doi.org/10.1038/s415...
doi.org
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 10h
How early tetrapods got their neck www.nature.com/articles/d41...
nature.com
How early tetrapods got their neck
As fish evolved into four-limbed creatures, their skull separated from their shoulders to form a neck. Now we learn that this early neck was surprisingly rigid.
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 10h
www.reuters.com/science/chin...
reuters.com
Chinese fossil of bird with undersized wings scrambles avian evolution
Scientists have discovered the fossil of a crow-sized bird that lived in China roughly 150 million years ago and possessed undersized wings that may have made it more of a ​runner than a flier — a dis...
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Eric Scott @captainfossil.bsky.social · 8h
Here's the press release on the new finds from White Sands: news.arizona.edu/news/footpri... 🧪
news.arizona.edu
Footprints in the (white) sand: Humans experienced abrupt environmental shifts during the last ice age
Increased precision of radiocarbon dating and archival evidence reaffirms 23,000 years as the age of the famous footprints discovered in White Sands National Park and demonstrates humans withstood abr...
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
パンテオン @dinopantheon.bsky.social · 6h
本系統が白亜紀初期には小型〜中型の非頂点捕食者として出発し、後にゴンドワナで大型化・頂点捕食者化したという階梯的進化モデルを支持する ローラシアにおける地域的絶滅と脳頭蓋系統シグナルの提示: 白亜紀後期における北半球(ローラシア)でのメガラプトラ類の不在が地域的絶滅(extirpation)によるものであることを解明するとともに、従来軽視されがちであった脳頭蓋形質(FOR 比率等)が獣脚類の系統同定において極めて高い系統シグナルを持つことを実証した 論文OA doi.org/10.1098/rsos... 英自然史博物館ニュース www.nhm.ac.uk/press-office...
doi.org
A new megaraptoran dinosaur from the Lower Cretaceous Wessex Formation, UK, and its implications for theropod evolution and biogeography
Abstract. Theropod dinosaur remains from the Barremian (Lower Cretaceous) Wessex Formation of the Isle of Wight, UK, are rare and often fragmentary. Here,
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
パンテオン @dinopantheon.bsky.social · 6h
英ワイト島ウェセックス層(白亜紀前期 バレミアン期)から産出した新たなメガプトラ類恐竜、および獣脚類の進化と生物地理学へのその意義 コエルロサウリア類、メガラプトラの新種記載 Invictibellatrix amberina 属名:(ラ)不屈の+戦士(女性形)進化の歴史の初期には小型で頂点捕食者ではなかったメガラプトラが、将来ゴンドワナ大陸の頂点捕食者となる役割を称えている この名前は、いじめられ差別され、被害を受け、抑圧されているすべての人に、明日は自分たちのものになりそのような逆境に直面しても諦めないという希望と力を与えるものである 種小名:ウェセックス層の植物残骸層に存在する琥珀に由来
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Sarah Primate @langurlover.bsky.social · 5h
🐧
phys.org
Scientists identify avian cholera as major cause of penguin deaths in Antarctica
Thousands of Adélie penguins found dead in Antarctica in 2024 were primarily victims of avian cholera, not high pathogenicity avian influenza (H5N1) as researchers initially suspected, according to a ...
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Jaime Headden @jaimeheaddenart.bsky.social · 24/06/2026
So, I'm home with an injured foot (ice, wrapped, bored) so I thought I would mention something about the Terras et al paper that's really nice to see, which is Figure 6. (link below) I have very few comments, it's really beautiful by Matheus Gadelha. onlinelibrary.wiley.com/doi/epdf/10....
F I G . 6 . Triassic archosauromorphs reconstructed with labial scales and the oral seal in lateral view. A, Gnathovorax (CAPPA/UFSM0009; Herrerasauria). B, Pampadromaeus (ULBRA PTV 016; Sauropodomorpha). C, Machaeroprosopus (NMMNH P-4983; Phyto-sauria). D, Riojasuchus (PVL 3827; Ornithosuchidae). E, Proterosuchus (NMQR 880; Proterosuchidae). F, Silesaurus (ZPAL Ab III/361;Silesauridae). G, Venetoraptor (CAPPA/UFSM 0356; Lagerptidae). H, ‘Hyperodapedon’ (ULBRA PVT 053; Rhynchosauria).I, Prestosuchus (ULBRA PTV 281; Loricata). Artwork by Matheus F. Gadelha used with permission. Scale bars represent: 50 mm (A,D); 20 mm (B, F); 100 mm (C, H); 30 mm (E); 10 mm (G); 300 mm (I).
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Riley Black 🏳️‍⚧️ 🦖 @restingdinoface.bsky.social · 10h
Something special in today's newsletter: New paleo fiction from me about the heron-like dinosaur Kank! Take a walk with her, get an amphibian snack. 🧪
buttondown.com
Snappy Raptor Hunted Like a Heron
Kank, a heron-like dinosaur, goes hunting for a froggy treat.
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Ferwen @ferwen.bsky.social · 5h
How early tetrapods got their neck www.nature.com/articles/d41...
nature.com
How early tetrapods got their neck
As fish evolved into four-limbed creatures, their skull separated from their shoulders to form a neck. Now we learn that this early neck was surprisingly rigid.
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Xavier A. Jenkins @semifossorial.bsky.social · 14h
NEW PALEO JOB!! The Evolutionary Studies Institute (ESI) in Johannesburg is hiring a Director. Famous for human origins, dinosaur evolution, and most importantly (😅) Permo-Triassic tetrapods, this is a huge opportunity to lead one of the world’s greatest paleo institutes. Please share!
Job posting information for the new ESI director role, including information about the importance of the ESI collections ESI director responsibilities
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 6h
www.bbc.com/news/article...
bbc.com
Isle of Wight fossil identified as new dinosaur species
Invictibellatrix would have been up to four metres long with feathers and had 20cm claws.
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 6h
www.youtube.com/watch?v=Ahk5...
youtube.com
Mosasaur Hunting Was Insane
YouTube video by 7 Days of Science
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 6h
www.kwch.com/2026/10/14/s...
kwch.com
Schmidt Foundation pledges $1M match for Save Sternberg campaign
Donation matches contributions up to $1M as museum faces December closure
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Ben Miller @extinctmonsters.bsky.social · 15h
Happy #NationalFossilDay 2026! Fossils connect us to the lands we live on and the ecosystems we're a part of. They show us that everything around us is part of a 3.5 billion years story that's still ongoing. I just think that's magical. ☮️❤️🦣🦕
Gnatalie, a mounted sauropod dinosaur. In a museum corridor alongside a mural depicting scenes from Chicano historyCharles and George Sternberg use a tripodal hoist to lift a jacketed fossil alongside a brushy cliffFamilies sit and wander on a gravely hill looking for fossilsPetrified logs in the desert
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 16h
A new megaraptoran dinosaur from the Lower Cretaceous Wessex Formation, UK, and its implications for theropod evolution and biogeography royalsocietypublishing.org/rsos/article...
royalsocietypublishing.org
A new megaraptoran dinosaur from the Lower Cretaceous Wessex Formation, UK, and its implications for theropod evolution and biogeography
Abstract. Theropod dinosaur remains from the Barremian (Lower Cretaceous) Wessex Formation of the Isle of Wight, UK, are rare and often fragmentary. Here,
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 13h
Biomechanical analyses point to dense collagen fibre architecture in an Ediacaran frond royalsocietypublishing.org/rspb/article...
royalsocietypublishing.org
Biomechanical analyses point to dense collagen fibre architecture in an Ediacaran frond
Abstract. Ediacaran macrofossils record the earliest large and complex organisms on Earth. Despite extensive study, fundamental aspects of their internal a
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 18h
total-croatia-news.com/news/new-din...
total-croatia-news.com
New Dinosaur Species Discovered in Croatia - Total Croatia
An apparently brand new, previously unknown and uncategorised dinosaur species has been has been discovered in Croatia.
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Mark Witton @markwitton.bsky.social · 20h
Big news: @chrismanias.bsky.social and I are planning a #PALEOART MEETING in London for early next year: a whole day devoted to palaeoart practice, science, history and culture. Interested? Please complete and share this survey to help shape our plans! forms.cloud.microsoft/pages/respon...
Charles Knight's awesome mural of Late Cretaceous dinosaurs with the words "The Palaeoart Salon: a proposed meeting about palaeoart, Survey" written over it.
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 18h
www.discoverwildlife.com/dinosaurs/in...
discoverwildlife.com
"They definitely would have chased us." New dinosaur the size of a tiger with giant claws and feathers discovered from fossil found on English island | Discover Wildlife
The new species is closely related to the famous tyrannosaurs and is the first of its kind found in Europe.
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 14/10/2026
www.nhm.ac.uk/press-office...
nhm.ac.uk
UK dinosaur fossil identified as new long-clawed predator | Natural History Museum
A new species of dinosaur – a long-clawed predator the size of a large tiger – has been described from a fossil originally found on the Isle of Wight and now cared for by the Natural History Museum.
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 14/10/2026
royalsocietypublishing.org/rsos/article...
royalsocietypublishing.org
Evolution of the axial skeleton of early dinosaurs and the role of meristic and homeotic processes
Abstract. Changes in the axial skeleton played an important role in dinosaur evolution, with some of the oldest dinosaurs showing evidence of sacralization
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 14/10/2026
www.youtube.com/watch?v=F0f4...
youtube.com
Meet Invictibellatrix: Europe’s First Megaraptoran Dinosaur!
YouTube video by People Are Fish
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 14/10/2026
royalsocietypublishing.org/rsos/article...
royalsocietypublishing.org
A new megaraptoran dinosaur from the Lower Cretaceous Wessex Formation, UK, and its implications for theropod evolution and biogeography
Abstract. Theropod dinosaur remains from the Barremian (Lower Cretaceous) Wessex Formation of the Isle of Wight, UK, are rare and often fragmentary. Here,
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 14/10/2026
www.reuters.com/science/isle...
reuters.com
Isle of Wight fossil sheds light on enigmatic meat-eating dinosaurs
The partial skull of a tiger-sized predator that prowled what is now the Isle of Wight off England's southern coast about 120 million years ago is giving scientists a better understanding of an ​enigm...
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 13/10/2026
www.youtube.com/watch?v=ZpV4...
youtube.com
This Dimetrodon grandis Fossil was a Pre-Dinosaur Apex Predator from Texas
YouTube video by Smithsonian's National Museum of Natural History
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Bob Nicholls Art @bobnichollsart.bsky.social · 12/10/2026
THE SECRET LIVES OF DINOSAURS talk and book signing with @deanrlomax.bsky.social and @bobnichollsart.bsky.social in Bristol, Nov 21: www.bristolmuseums.org.uk/whats-on/m-s...
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 13/10/2026
Join renowned palaeontologist @deanrlomax.bsky.social and Australian Age of Dinosaurs founder David Elliott as they take a close look at one of Australia's most fearsome prehistoric predators — the giant marine reptile "Kronosaurus". www.youtube.com/watch?v=fLlf...
youtube.com
Let's talk Kronosaurs | Inside the Lab
YouTube video by Australian Age of Dinosaurs
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Dr Dean Lomax @deanrlomax.bsky.social · 19/08/2026
I'm thrilled to be heading back to Denver, Colorado! Join me for a couple of epic evenings at Denver Museum of Nature and Science, and hear my talk, 'The Secret Lives of Dinosaurs and The Adventures of a Palaeontologist'. Tickets and details: www.dmns.org/purchase/tic...
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 13/10/2026
www.youtube.com/watch?v=Ya99...
youtube.com
The Biggest Extinction You’ve Never Heard Of
YouTube video by PBS Eons
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Claude ✡️🦖🦕 @cascoclauda.bsky.social · 13/10/2026
great new animation of infernogallus by paleogdy www.youtube.com/watch?v=n6tx...
youtube.com
• 𝘐𝘯𝘧𝘦𝘳𝘯𝘰𝘨𝘢𝘭𝘭𝘶𝘴 𝘫𝘢𝘮𝘦𝘴𝘪 3D animation •
YouTube video by PALEOGDY
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 13/10/2026
www.cambridge.org/core/journal...
cambridge.org
The origin of dinosaurs in light of recent discoveries from Brazil | Journal of Paleontology | Cambridge Core
The origin of dinosaurs in light of recent discoveries from Brazil
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Jeff Wilson Mantilla @diapophysis.bsky.social · 13/10/2026
Just a reminder that certain colors cannot be discriminated by around 5% of the population. Especially in the run-up to the @societyofvertpaleo.bsky.social meeting, think about choosing colorblind-friendly colors for display. There are many resources for this, but colorbrewer2.org is great.
graph showing principal components analysis of landmark data from neck vertebrae of birds discriminating different diving styles.
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 13/10/2026
www.pnas.org/doi/10.1073/...
pnas.org
Phylogenomics confirms Palaeoptera monophyly and illuminates the origin of winged insects | PNAS
The origin and early radiation of winged insects (Pterygota) represent one of the most transformative events in terrestrial evolution, yet phylogen...
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Thomas R. Holtz, Jr. @arctomet.bsky.social · 13/10/2026
Intraspecific variations in the cranium of Iguanodon (Ornithopoda: Iguanodontidae), with comments on functional and evolutionary patterns academic.oup.com/zoolinnean/a...
academic.oup.com
Intraspecific variations in the cranium of Iguanodon (Ornithopoda: Iguanodontidae), with comments on functional and evolutionary patterns
Abstract. Many characters employed in taxonomic and phylogenetic study of iguanodontian ornithopods are found in the cranium. However, they might be highly
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Antijen @antijen.bsky.social · 12/10/2026
Stop "raising questions." They're raised. They're already raised so high they're bumping up against the ISS. We need more adults in charge, fuck this noise.
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Dr. Nick Famoso @drfamoso.bsky.social · 13/10/2026
The 10th John Day Fossil Beds National Monument special issue paper is out! Dana Reuter, Samantha Hopkins, Edward Byrd Davis, and myself looked at food webs and at how community structure changed through the long geologic record of the park. www.cambridge.org/core/journal...
cambridge.org
Reconstructed functional diversity and food-web structure reveal mammalian community shifts through the Oligo-Miocene in Oregon | Journal of Paleontology | Cambridge Core
Reconstructed functional diversity and food-web structure reveal mammalian community shifts through the Oligo-Miocene in Oregon
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 13/10/2026
youtu.be/n6txJZoK9ng?...
youtu.be
• 𝘐𝘯𝘧𝘦𝘳𝘯𝘰𝘨𝘢𝘭𝘭𝘶𝘴 𝘫𝘢𝘮𝘦𝘴𝘪 3D animation •
YouTube video by PALEOGDY
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 13/10/2026
www.aol.com/articles/uk-...
aol.com
Dinosaur fossil ‘sitting in a drawer’ for 100 years identified as new T-rex relative - AOL
Dinosaur would have been more dangerous for humans than a T-rex, scientists say
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
fab.ricious 🔜 @ Vienna ComicCon 2026! @artoffabricious.bsky.social · 13/10/2026
Thinking about @victoriaarbour.bsky.social with this one. I love him. Ordering new resin now to test print this little guy once I'm done!
3D model of a cute Ankylosaurus model sitting on its bum, legs stretched out to the front. 3/4 front view3D model of a cute Ankylosaurus model sitting on its bum, legs stretched out to the front. 3/4 back view
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Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · 13/10/2026
www.bluewin.ch/en/lifestyle...
bluewin.ch
Nearly 100 Years in a Drawer: Fossil Turns Out to Be a New Species of Dinosaur
The fossil was discovered as early as 1924 on the Isle of Wight, but its significance went unrecognized for nearly a century. Now, a new analysis shows that the bone belongs to an early Megaraptor and...
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Mengxuan Li🍄画集予約受付中 @mengxuanli.bsky.social · 13/10/2026
🌺👒
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
The Guardian @theguardian.com · 13/10/2026
‘Our future is being stolen’: Greta Thunberg joins students protesting in Paris
theguardian.com
‘Our future is being stolen’: Greta Thunberg joins students protesting in Paris
Swedish activist stands alongside French teenagers calling for investment to fix teacher shortages and crumbling schools The Swedish climate activist Greta Thunberg has joined demonstrating high school students in France as the country braced for another day of nationwide protests over chronic teacher shortages, overcrowded classes and crumbling buildings. “Young people are not being included in the conversation,” Thunberg, 23, who became famous as a teenager through school strikes demanding action on the climate crisis, told reporters outside the Lycée Paul Éluard in the Paris suburb of Saint-Denis. Continue reading...
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
princess 💕🏳️‍⚧️ @thysannia.bsky.social · 12/10/2026
if anyone else has any knowledge or input on this, please dm me! i've been looking through literature to build more of a case for it but admittedly i barely know what i'm talking about... (also, i'd love to credit that photo but i actually have no idea whose it is, if anyone knows please tell me!)
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Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
princess 💕🏳️‍⚧️ @thysannia.bsky.social · 12/10/2026
as always, andrey atuchin is way ahead of everyone else and has reconstructed maiasaura like this twice, both of which look beautiful. besides him, i've only seen it done this way in one or two sketches. i hope eventually it starts to actually catch on.....
A full body illustration of Maiasaura by Andrey Atuchin, once again showing the head with a large soft tissue structure reaching from the forehead down to the nose.
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