Some Mosasaurus for And no, we don't know that they had dorsal fins, but we don't know that they didn't either - the right parts of their soft tissues have not, to my knowledge, been preserved to indicate either way.

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This we're loving 😍 the beautiful illustrations of Liassic fossils from Stanford's Geological Atlas of Great Britain, 1904.

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Happy We still don’t know how Radiodonts reproduced, but it probably started (at least in some species) during mass-moulting events, when large numbers of them got together to moult. See fossils of for example. (1/2)

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Some new for my take on Yutyrannus published in entirety for the first time this week. It was created for LTTAII, but that's coming out soon enough to let the covers slip a little on the art. A short thread about this image...

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Australopithecus boisei was so romantic 1.6 million years ago, that its spinal cord exited the skull through a heart-shaped foramen magnum

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Nenúfares. An Unenlagiine in its pond. Some old art for this

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Time to briefly revisit Elrhaz Formation with this taqueti model. Original reconstruction of this animal was among the first sauropods ever portrayed with a form of "beak" at the tip of the jaws.

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As it's I took a punt at a Pachyrhinosaur...

(apologies to actual / people, for any horrific amateur mistakes I've blundered into - feel free to correct if I've disgraced current finds in some way, I'll bare in mind for future)

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O is for Oohkotokia. A 74 million year old anklyosaur. The name is in honour of the native Niitsitapi people in North America, who's land it was found on.
(Photo, Paul Penkalski; Art, DevianArt: Ciciopurple)

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As I recover from my wisdom tooth extraction on I was reminded of this amazing fossil shark from Peru in the collections of . I don't know why.

You can read more about the discovery here: https://t.co/sVIZ6qvJ8i

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In Anth 211 this week, students will try to virtually reconstruct the Nariokotome Homo erectus cranium, based on the individual bones they digitized last week

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As voted earlier this morning, here is my sketch/speedpaint today: the large, big headed stem-tetrapod Crassigyrinus scoticus. My entry for today’s There are two Crassigyrinus here

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The primates in PALEOCENE aren't based on a known fossil species, but are hypothetical ancestors of tarsiers and monkeys. They'd be similar to this Archicebus (illustration by Mat Severson, CC-BY-SA 4.0 license).

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The second article all about the of This time taking a look at the first to take to the skies. this with the https://t.co/WZZAkPw9Ft

by

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E is for Euoplocephalus. It's name literally means 'well-armoured head'. And it was. This anyleosaurid giant, was tail whipping and head butting in Canada around 80 million years ago.
(Photo Victoria Arbour & Philip Currie; Art John Sibbick)

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For I'll share one of my favourite fossils:
Rhamphorhynchus flies over water.
Snap! Catches a fish.
Then (there's always a bigger fish) SNAP! get's caught by a Aspidorhynchus leaping out the water! But it's too chewy, entangles with the teeth! Oh no, all die!

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For a species I am working with right now! Ampelomeryx is a kind of "#punk with several ossicones that lived in Europe 18Mya. It possesses ... YES a punk giraffe with sabertooth !!!

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2020

Carcharocles angustidens🦈

"There were no human beings to devour when this mighty relative of the existing white shark swam the seas"

D. Bashford - The Department of Fishes, American Museum
Natural History V. 23 (1923)

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First of the year. Not a sketch today, but a photogrammetry of the trilobite Crozonaspis struvei I did for my final essay of Invertebrates Palaeontological. Not the best specimen, but you can see most it's cephalon features, including the cool tiny eye lenses!

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