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Posts by Gabriel A. Martínez-Ruiz

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1/10 🚨🚨🚨 New paper on dinosaur evolution! Chris Griffin and I look at why we can't seem to figure out how the major groups are related! It might be a hint about how dinosaurs came to be! Photo: Anchisaurus @yalepeabodymuseum royalsocietypublishing.org/rspb/article...

11 hours ago 24 11 1 1
A bristle‐nosed Jurassic ray‐finned fish (Actinopterygii) bears true dermal odontodes on its snout Reader environment loaded

Excited that my paper on a Jurassic fish with teeth on its nose is now out! Shoutout to my co-authors Ben Kligman and Maranda Stricklin, who is another all-star undergraduate mentee. onlinelibrary.wiley.com/doi/epdf/10....

5 days ago 28 12 1 0
One of the most famous mosasaurs, Tylosaurus proriger, submerges after taking a breath. It is dark above and light below, as tentatively suggested by some palaeocolour data. The challenges of interpreting scaly reptile palaeocolour, and the tiny scraps of colour data we have for this animal, preclude much confidence in chromatic interpretations of this species, however. 

Also, if you stare at this long enough, you'll see a few sharks. No foolin'.

One of the most famous mosasaurs, Tylosaurus proriger, submerges after taking a breath. It is dark above and light below, as tentatively suggested by some palaeocolour data. The challenges of interpreting scaly reptile palaeocolour, and the tiny scraps of colour data we have for this animal, preclude much confidence in chromatic interpretations of this species, however. Also, if you stare at this long enough, you'll see a few sharks. No foolin'.

Been thinking marine-reptiley thoughts today. Here's one of my latest #paleoart efforts along that line: Tylosaurus proriger. The colour is based on fossil colour data, although it's far from certain that this animal was black and countershaded.

Print link: www.markwitton.co.uk/product-page...

2 days ago 255 81 12 0
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New information on the holotype of “Chasmosaurus” russelli (Ornithischia: Ceratopsidae) necessitates the establishment of a new genus to receive the species Although the holotype of Chasmosaurus russelli Sternberg, 1940, from the upper Dinosaur Park Formation of southern Alberta, shares features with other Chasmosaurus Lambe, 1914 specimens from Dinosaur ...

New information on the holotype of “Chasmosaurus” russelli (Ornithischia: Ceratopsidae) necessitates the establishment of a new genus to receive the species cdnsciencepub.com/doi/10.1139/...

4 weeks ago 21 11 0 0

Agreed that The Dinosaurs was a major improvement over Life on Our Planet. Hopefully, Surviving Earth will be even better!

1 month ago 0 0 0 0
Trophic ecology outweighed intrinsic constraints in shaping skull evolution of carnivorous Permian synapsids - Communications Biology Anatomical network analysis and morphometric methods illuminate the influences of functional adaptation and developmental constraint on the evolution of cranial form in carnivorous Permian synapsids.

Delighted to see this paper from my former MSc student Elías Warshaw now published - Big Congrats to him on getting his dissertation published!👏👏👏
The study explores how constraints & ecology shaped Permian #synapsid skull #evolution ⬇️

🔗 www.nature.com/articles/s42...

#Paleontology #Science

1 month ago 12 3 0 0
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Join us for our first CNB virtual mini symposium 🐓🏃🏻‍♀️! future events suited to additional time zones coming soon; join our mailing list on our website (link in flyer) to stay in the loop.

1 month ago 33 12 0 2
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Results from the Flocking #paleostream!
Megamastax, Ornitholestes, Tanyka and Eosteus

1 month ago 168 53 3 1
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Latest paleoart watercolor is Daemonosaurus. Felt compelled to make this after learning Dr. Hans Sues, who described and named this dinosaur, passed. 🎨🦖

1 month ago 122 26 2 0
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New paper! How weird could Permian animals get? Turns out, pretty weird. Meet the stem tetrapod Tanyka amnicola from the Pedra de Fogo Formation of northeast Brazil

royalsocietypublishing.org/rspb/article...

1 month ago 898 161 40 19
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Marsh guardian

2 months ago 769 268 5 0
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Results from the #paleostream!
Borealopelta, Haolong, Moschorhinus and Sauropia

2 months ago 129 49 4 0
Rough sketch of Haolong climbing a rock

Rough sketch of Haolong climbing a rock

Very quick rough sketch
of the newly described spiky Hadrosauroid dinosaur Haolong dongi

I had to at least rough sketch this beauty!

#paleoart #sciart #dinosaurs

2 months ago 292 89 8 1

alt

2 months ago 14 7 1 0
Commission for Gecko Mola!

Commission for Gecko Mola!

Gigantoraptor #Paleoart

Coloration based in the Brown lory, specifically individuals with blue-ish tones, thanks to @claudia-sahm.bsky.social for suggesting that!

2 months ago 309 78 7 0
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“King of the Riverside”, a multi-proxy approach offers a new perspective on mosasaurs before their extinction - BMC Zoology BMC Zoology - The discovery of a mosasaurine tooth (NDGS 12217) in the Hell Creek Formation, Morton County, North Dakota, adds to the growing evidence that mosasaurs, traditionally considered...

Download the Open Access paper here:

link.springer.com/article/10.1...

4 months ago 14 5 2 0
King of the Riverside - explainer video
King of the Riverside - explainer video YouTube video by Genuine Rockstars

Fresh. Water. Mosasaur. In. The. Hell. Creek. Formation.

www.youtube.com/watch?v=tn8l...

4 months ago 50 22 3 0
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Daspletosaurus wilsoni holotype skull full-size reconstruction. Went on display in our exhibit hall (Badlands Dinosaur Museum) Sept 2025. The nicest Daspletosaurus skull reconstruction I think. Casts possibly available in 2026. #dinosaurs #fossils #fossilfriday

4 months ago 36 12 1 1
3D render. Full body of a Lythronax, the dinosaur is mostly green

3D render. Full body of a Lythronax, the dinosaur is mostly green

3D render. Full body of a Lythronax, the dinosaur is mostly green

3D render. Full body of a Lythronax, the dinosaur is mostly green

3D render. Full body of a Lythronax, the dinosaur is mostly green

3D render. Full body of a Lythronax, the dinosaur is mostly green

3D render. Full body of a Lythronax, the dinosaur is mostly green

3D render. Full body of a Lythronax, the dinosaur is mostly green

A few more renders of my Lythronax 3D model. #dinosaur #art #paleoart #3dart

5 months ago 287 66 7 0
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Hadrosaurine braincase. #fossilfriday. Collected by Badlands #Dinosaur Museum, Jul 2025 & cleaned by Deanna. Associated skeleton from BLM-administered US #publiclands. Dinosaur Park Formation, Montana.

You're looking up into the underside of the skull roof. The bottom of the photo is the frontals.

6 months ago 53 8 0 1
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#ZAVACEPHALE IS FINALLY OUT! 🥳 Our first definitive Early Cretaceous pachycephalosaur! (~15 my older than the previous oldest pachycephalosaurs) And the first hand material for the clade! I can't tell y'all how much of a pleasure it was to review this paper! ☺️

7 months ago 147 47 2 7
The first description of dinosaurian eggshell from the Maastrichtian Lance Formation, Wyoming, North America - Acta Palaeontologica Polonica

The first dinosaur eggshells from the Lance Formation. As for its identity, it could come from anything from Edmontosaurus to T. rex.
www.app.pan.pl/article/item...

7 months ago 7 3 0 0
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Dinosaur extinction can explain continental facies shifts at the Cretaceous-Paleogene boundary - Communications Earth & Environment Dinosaurs promoted open habitats in the Late Cretaceous, and their extinction could have led to a radical reorganization of the landscape and ecosystem structure at the beginning of the Paleogene, acc...

Out today in @commsearth.nature.com from some of my newest colleagues at UMMP: evidence that the extinction of dinosaurs led to fundamental shifts in terrestrial environments, and that this signal is recorded in facies shifts tied to the K-Pg boundary: www.nature.com/articles/s43...

7 months ago 90 37 1 4
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A domed pachycephalosaur from the early Cretaceous of Mongolia - Nature The pachycephalosaurian Zavacephale rinpoche, from the Early Cretaceous of Mongolia, provides crucial insights into the early evolution of dome-headed dinosaurs, including the development of the front...

Chinzorig, T., Takasaki, R., Yoshida, J. et al. A domed pachycephalosaur from the early Cretaceous of Mongolia. Nature (2025). doi.org/10.1038/s415...

7 months ago 82 27 2 1
3D model of a mosasaurus. It’s mostly blue with a few orange markings around the eye

3D model of a mosasaurus. It’s mostly blue with a few orange markings around the eye

Mosasaurus 3D model. Sculpted in ZBrush, textured in Substance 3D Painter and rendered in Blender.
#paleoart #paleontology #3dart #mosasaurus

8 months ago 113 30 5 1
Prehistoric Planet Ice Age image showing two homotheres interacting in a snowy landscape.

Prehistoric Planet Ice Age image showing two homotheres interacting in a snowy landscape.

Prehistoric Planet Ice Age image showing two Woolly rhino, a calf and old adult.

Prehistoric Planet Ice Age image showing two Woolly rhino, a calf and old adult.

Prehistoric Planet Ice Age image showing a glyptodont.

Prehistoric Planet Ice Age image showing a glyptodont.

Prehistoric Planet Ice Age image showing a mother sloth climbing up a rocky surface, baby on her back.

Prehistoric Planet Ice Age image showing a mother sloth climbing up a rocky surface, baby on her back.

It's true, #PrehistoricPlanet Ice Age is coming to #AppleTV for November 2025. These images show how good our animals are, but... believe me, this barely scratches the surface!! It has been a massive thrill and privilege to help bring this series together... you're in for an incredible treat.

8 months ago 491 157 28 34
Illustration of three species of aetosaurs. Top: Aetosaurus ferratus, middle: Scutarx deltatylus and bottom: Desmatosuchus spuriensis

Illustration of three species of aetosaurs. Top: Aetosaurus ferratus, middle: Scutarx deltatylus and bottom: Desmatosuchus spuriensis

Reconstruction of two species of Aetosaurs. Top: Typothorax coccinarum. Bottom: Paratypothorax andressorum

Reconstruction of two species of Aetosaurs. Top: Typothorax coccinarum. Bottom: Paratypothorax andressorum

Why is my book taking so long to finish? Well, one of many reasons are Aetosaurs! They are very complicated to reconstruct AND my book has a lot of them! 😅 But Aetosaurs are awesome!

Aetosaurs are pseudosuchians, and thus related to modern crocodilians

#paleoart #aetosaurs #art

9 months ago 243 51 4 1
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A portrait of a bull Arrhinoceratops as seen in Walking with Dinosaurs 2025.

A portrait of a bull Arrhinoceratops as seen in Walking with Dinosaurs 2025.

I think I'll start sharing various artwork I did during the production of WWD - I was planning on doing a portrait of each animal but never had the time. I think I maybe made 3 or 4 in the end. Here's the first one I did, Arrhinoceratops.

#sciart #paleoart

9 months ago 91 18 2 1
Portrait of Torvosaurus as seen on Walking with Dinosaurs 2025.

Portrait of Torvosaurus as seen on Walking with Dinosaurs 2025.

Another bit of personal art I did during the production of Walking with Dinosaurs - Torvosaurus.

9 months ago 109 20 5 2

0 for life sciences

9 months ago 5 1 0 0