Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
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mmarcosaurus.bsky.social
Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
@mmarcosaurus.bsky.social
A geoscience student and artist who likes many things, such as dinosaurs, natural history, science, fantasy, music, games, movies, animation, anime, drawing and adventures!
Instagram: https://www.instagram.com/marcosk.pinheiro/
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
What's that snuffling? It must be the snorts of the pug-nosed crocodile, Simosuchus! 🐊❤️

Learn all about our latest addition and more in October's Development Diary. Trust us, he won't bite much.

➡️ Latest Dev Diary: bit.ly/4oFtNN8
📝 Patreon: bit.ly/4hnK9GM
October 31, 2025 at 2:44 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
It's grandpa! 👴🐟

Learn all about Tiktaalik and see how you'll be able to customize Vivariums with just a few clicks in this week's Dev Report.

📝 Patreon Post: bit.ly/48smJ07
November 19, 2025 at 12:26 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Hope you find some joy today, or joy finds you... either works 🩷
November 19, 2025 at 1:11 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
The geology department at the University of Leicester, where myself and countless others did our palaeontology PhDs, is at serious risk of closure

Please show your support by signing the below!

c.org/KtYyZB8dHk
Save Geology at the University of Leicester
Can you spare a minute to help this campaign?
c.org
November 19, 2025 at 9:50 AM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Growing eyes on growing shells reveal how chitons scale vision royalsocietypublishing.org/doi/10.1098/... | #BiologyLetters #Evolution #Neuroscience
November 19, 2025 at 11:01 AM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Kissing Has Survived The Path Of Evolution For 21 Million Years – Apes And Human Ancestors Were All At It

www.iflscience.com/kissing-has-...
Neanderthals, Ancient Apes, And Human Ancestors Were All Kissing – Just Not Each Other (Mostly)
Turns out everyone in our family tree has been smooching for millions of years.
www.iflscience.com
November 19, 2025 at 11:15 AM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Just an Allo lad

#digimon #allomon
October 14, 2025 at 12:54 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Geology and palaeobiology at the University of Leicester are under threat, with at least 14 staff expected to be made redundant. Support them, their postdocs, and their students by signing this petition: c.org/SK8Xm8dhqK
Sign the Petition
Save Geology at the University of Leicester
c.org
November 19, 2025 at 11:31 AM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
This was my son's first complete trilobite - a goldbug!

This is a Triarthrus eatoni from the famous Ordovician Beecher's Bed of New York. This site preserves soft tissues like legs, gills and antennae with pyrite or fool's gold.

#TrilobiteTuesday
November 19, 2025 at 1:24 AM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
New at Tetrapod Zoology .... The Life Appearance of Glyptodonts, a remarkable group of giant and anatomically amazing group of extinct armadillos tetzoo.com/blog/2025/11... #mammals
The Life Appearance of Glyptodonts — Tetrapod Zoology
For some time now I’ve been interested in what the glyptodonts – a group of highly modified, large or gigantic armadillos – looked like when alive….
tetzoo.com
November 18, 2025 at 5:52 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Mongolestes, last of the mesonychians...
#paleoart #sciart #mesonychia
November 18, 2025 at 12:14 AM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
GOT TWO OPEN! 165 each or can make it 330 for a full body + bg painting (example provided)

More details below!
November 17, 2025 at 3:58 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
frog, ladybug and dragonfly
November 19, 2025 at 12:49 AM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
November 18, 2025 at 10:22 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Fantastic deëxtinction fiction vs #DeExtinction facts 🧪🐺🦤🦣
November 18, 2025 at 10:00 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
In newly reconnected backwaters of the Lower Mississippi River, an ancient fish finds its way home www.nfwf.org/media-center...

Update on National Fish & Wildlife Foundation and partners’ Mississippi River floodplain restoration work!
Giving alligator gar a lifeline in the Lower Mississippi River
At dawn, the woods are hushed and damp. River water meanders between towering trees, and a long shadow glides just beneath the surface. A flash of silver breaches the surface before sliding back into ...
www.nfwf.org
November 18, 2025 at 10:34 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
The wonderful people at the NZ Science Learning Hub have turned my talk on MythBusting de-extinction to sort fact from fiction into a freely available educational resource. You can check it out here www.sciencelearn.org.nz/resources/my...
Mythbusting de-extinction to sort fact from fiction
De-extinction hit the headlines recently with the ‘resurrection’ of the dire wolf and the push to bring back the moa. However, can scientists really bring back extinct animals? And more importantly, s...
www.sciencelearn.org.nz
November 18, 2025 at 9:47 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica - Delcourt - The Anatomical Record - Wiley Online Library anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica
The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and....
anatomypubs.onlinelibrary.wiley.com
November 18, 2025 at 4:35 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
How Chewing May Have Beat Extinction
YouTube video by PBS Eons
youtu.be
November 18, 2025 at 5:56 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
The paleo community is mourning the passing of giant. Philippe Taquet passed away on Sunday at 85. I was honored to meet him in his Paris office in 2007. Later that year, we published on a sauropod from his beloved Gadoufaoua in Niger, Africa, & named for him—Sereno et al. 2007: bit.ly/3WZLKdF 🦕
November 18, 2025 at 5:41 PM
Reposted by Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
🚨NEW TURTLE🚨
a warm welcome to shakiremys colombiana, described by cadena et al. from the colombian la venta biome, and known from a complete skull with an articulated carapace!
onlinelibrary.wiley.com/doi/10.1002/...
(art by juan giraldo)
November 18, 2025 at 2:50 PM