Dan F
@DanPalaeon1
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Posting anatomy and reconstructions of extinct animals. - Palaeontologist - All views my own - Rewild England - (He/Him) 23
Gloucestershire
Joined March 2019
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For those wondering where to find all my most up-to-date skeletals - I have a website!
It contains all my most up-to-date skeletal diagrams (with extra info), alongside my blog! :
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"Two earthlings" - John Brosio
y’all what is a painting or other work of visual art that never fails to destroy you every time you see it because BOY I’ll start:
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Here's why paleoart and Palaeontology aren't actually a random guessing game, and modern paleoartists actually know what they're doing, with examples 🧵:
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"Dinosaurs could not roar" and it's consequences have been a disaster for the human race. No one is convincing me that isn't a roar.
🔊Sound on to hear our male Nile crocodile, Nyati, being vocal! Welcome to Jurassic Park..er...Reptilia Whitby🦖
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Journalists need to stop reviewing media they don't understand lol. This is embarrassing
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The exquisitely preserved Borealopelta, detailing its life appearance spectacularly, and a paleoartists reconstruction.
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This tweet inspired me to use Tyrannosaurus rex as a metric of measurement. Here's a thread of Tyrannosaurus compared to other familiar objects:
It took me a long while to realize this but it still drives me crazy that fighter planes are actually ginormous.
Like this F-22 Raptor which is both longer and taller than a Trex.
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Sydney Sweeney reveals in an interview that she's a big proponent of some compsognathid genera being juveniles of other unrelated clades.
"It's clearly the neotenic features causing them to clade together in phylo analyses"
She adds
"Sinocalliopteryx is a juvenile Yutyrannus"
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The large tyrannosaur, Yutyrannus, multiple near complete skeletons preserving feather impressions from various areas of the body. No, they weren't giant pigeons. Model from
@PrehistoricK
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Also, remember reptiles exist (which, yes, dinosaurs are. They are NOT birds. Birds are dinosaurs, not the other way around). Not all animals bear no resonance to their skeletons.
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From big to small: Fossilised remains of a young dinosaur, Sciurumimus, displaying a long fluffy tail. Name aptly translates to "squirrel mimic". Art by
@SerpenIllus
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Amazingly preserved skeleton of Psittacosaurus, detailing quills lining the tail, as well as impressions that denote colour patterning. Sculpture by
@BobNichollsArt
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Wasp haters when they cause people mild annoyance and the most mundane sting imaginable when swatted:
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I've seen the "T. rex had wings" thing so much on TikTok and other sites that I thought I'd make a thread on why this trend is based on a misinterpretation of the anatomy of both modern birds and extinct dinosaurs 🧵
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Multiple "mummies" of the large hadrosaur Edmontosaurus annectens, collectively showing scales, fat and other soft tissue fossilised along it's body. (Pics show body, hoof and tail of different specimens). Model by
@Syn_JFD
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Something about this painting brilliantly illustrates the "aura" you feel when seeing a real fossil. Just the feeling that this animal was alive, so many millions of years ago, on the same planet we live on. The title furthers illustrates this in a poignant way.
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Intense cassowary vocalisation! Credit : korimadison97 on tiktok
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Tl;Dr, palaeontology, and by extension paleoart is by no means guess work. Modern paleoart is heavily involved in the science of dinosaurs, referencing the plentiful amount we know of their anatomy and life appearance...
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From what we know, most of the large dinosaurs (the ones you picture when you think of a dinosaur) were by no means blobs of fat surrounding a skeleton. They had fat,sure, but evidence suggests you'd be able to discern the contours of their bodies well. They weren't whales.
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On the topic of trackways, we not only know how dinosaurs walked and ran from trackways, we also even know how they sat! Here's a print of an early meat eating dino sitting on its bum, propped up by its feet, and resting its hands on the ground!
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Dinosaurs could probably produce a wide variety of sounds, with some perhaps making sounds similar to that of what people would think of as a roar. I think the whole "dinosaurs couldn't roar" sentiment is damaging - it should be "we don't know what sounds dinosaurs made".
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Carcharodontosaurus saharicus was the largest terrestrial predator in its environment, and one of the largest theropods of all time.
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Thanks to a commission by Grimnir, I completed a multiview skeletal diagram of this impressive taxon.
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Although in the past, certain paleoart may have "shrinkwrapped" reconstructions of dinosaurs, modern paleoart has largely accounted for this. These are real, heavily researched fields involving multiple disciplines to create an accurate view of the past. By no means a big guess.
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Concavenator, a bizarre hump backed allosaur preserving soft tissue from various parts of the body, including foot pads which corroborate perfectly with what we know of dinosaur trackways. Concavenator again by
@SerpenIllus
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There was more oxygen in Hungary back then.
Massive swords of Hungarian origin dating back to the 14th century are now on display at the Topkapi Palace Museum in Istanbul.
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Lastly, the reconstructions in all yesterday's were meant as cautionary tales. What they didn't mean is "Here's what a sparrow would look like with no feathers. We don't reconstruct T.rex with feathers, therefore it looked like a giant sparrow". That makes no sense pls.
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Although we will never know everything there is to know about dinosaurs, the fossil record details a pretty clear picture of what these animals probably looked like in life. I've only scratched the surface here of the immense wealth of fossil data we have access to.
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@MakingPlagues
Ye, as much as I dislike being bitten by a parasite, it's still useful to recognise their role in the environment. We shouldn't kill them all, it's the diseases they spread which are the issues
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Let them fight - Male Giganotosaurus rut heads during the mating season in short, intense competitions. Long scales grow longer along the back to impress potential mates.
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Well, that solves it. The soundscape of the mesozoic would be crazy
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Tyrannosaurus rex is a brilliant name for the largest terrestrial predator to ever walk the earth. And possibly the biggest specimen is presented here, "Scotty".
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Theropod diversity of the Wessex formation is large, with a number of distinct and unique forms. (Thread below)
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Cool visualisation of the cause of that "gurgling" sound in open-mouthed Croc vocalisations - air pushing the velum palati, causing it to "flap" against the crocs gulgar fold. (Ignore the guy falling in the background)
Video credit: @ dingo_dinkelman on Instagram
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Lmaooo I can't 😭😭 they don't like the fact that the documentary provided the viewer with information??? What is this man
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Have I been shadowbanned? Let's test with this Inostrancevia alexandri skull
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Spinosaurus aegyptiacus - based on the holotype + neotype specimens. I anticipate an enormous flame war in the comments...
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#Dacentrurus
, the og stegosaur. Discovered before Stegosaurus, this giant herbivore was originally called "Omosaurus", a preoccupied name. This stegosaur hails from the Late Jurassic of England, alongside various other dinosaurs.
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The power of youtube's new feature shows that the most replayed part of the
#PrehistoricPlanet
trailer is Carnotaurus' arms
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Clearly, crocodiles can make more sounds than just "bellows and hisses" as is typically thrown about. So why couldn't dinosaurs make similar sounds? Also, if they possessed a syrinx, dinosaurs would be able to make even more complex vocalisations.
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No death threats this time please- Spinosaurus, neotype specimen. (Top scale bar = largest specimens, bottom bar = neotype specimen)
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I am convinced this is actually hell we're living in at this point
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Triceratops prorsus - my first (public) ceratopsian skeletal! Thanks to Sergi on discord for the commission!
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Let's take 2: Giganotosaurus and Tyrannosaurus: they're buddies and they dislike their fans arguing about who is better (Giganotosaurus)
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The enormous frill of
#Torosaurus
is perhaps the most impressive feature of this enormous ceratopsian - a dinosaur which was one of the last of its kind on earth. This huge herbivore coexisted with the predatory Tyrannosaurus rex, and its close relative Triceratops.
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Su s.... .
Carcharodontosaurus saharicus was the largest terrestrial predator in its environment, and one of the largest theropods of all time.
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Thanks to a commission by Grimnir, I completed a multiview skeletal diagram of this impressive taxon.
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"Hey theeerrre"
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@LeadPipe_Images
Tomar aka "
@tomamoto
" is the owner of the pondering llama, and alt-right channel dedicated to "debunking" sjws, or "owning" them as he calls it. Tomar has been involved in many controversies, including beating up fans and throwing tin cans at his wife. Please be safe out there!
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So everyone's seen the news, two amazing new spinosaurids! Here's my reconstruction of Riparovenator from the paper... This would not have come to be without the great help from
@palaeoguy12
, hats off to him! (Of course, a Neovenator size comparison too)
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Counter point: most large animals today have very stark contrasting patterning, from birds to whales etc. It's clearly not "expensive" to maintain pigmentation, as otherwise we would not see multitonne animals today with stark contrasting dark patterning!
Multi-tonne prehistoric animals (especially carnivores) likely weren’t very extravagant & probably didn’t have huge display features.
This is because of the probable metabolic costs of developing & maintaining bright, stark pigmentation & display features at large body sizes.
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My Giganotosaurus has updated quite a few times. "Why?" you very rightfully say... well, I explain here in my latest blogspot (and newest skeletal - which was very much needed as I explain)
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Edmontosaurus annectens looks almost like the cross between a duck and a horse - with an extra long tail to boot. E. annectens is one of the best-known dinosaurs in the world, with multiple near-complete specimens, many even preserving extensive fossilised skin.
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#Inostrancevia
alexandri - top-of-the-line predator of Late Permian Russia. This gorgonopsian possessed a fearsome set of sabre teeth, adapted for delivering a powerful bite to any unlucky dicynodont or pareiasaur it deemed prey.
#Skeletal
of Inostrancevia alexandri.
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I updated "Scotty" the Tyrannosaurus rex to my new style ❤️ (with a bit of a skull and cervical change)
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The cenomanian is a fascinating time for marine tetrapods. It represents a time just before a massive faunal turnover were Ichthyosaurs, and soon Pliosaurs, become extinct, with Mosasaurs and Lamniforms along with other recognisable groups rising to dominance.
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Pliosaurus kevani is represented by one of the largest, most complete skull fossils of any species of Pliosaurus. This monster would have patrolled the Kimmeridgian oceans of Europe. Smaller specimen is the "Stretham pliosaur" which was referred to cf. kevani by Benson et al 2012
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The incompleteness of the fossil record means that the vast majority of extinct species will never be fossilised. What do you think could have existed in deep time? I personally liked to imagine there were large dog sized mammals roaming the mesozoic, maybe on a small island
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What's your favourite holocene animal? I have a few: 1. Saltwater croc
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Whatever you do do NOT look at the comments on this article. It will make you lose all faith in humanity.
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Happy 200th birthday to Megalosaurus! Here's my most up to date skeletal of this important dinosaur
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I loved the documentary but found it weird how the T.rex stopped to look deadpan at the camera and say "Trans rights" on multiple occasions. Truly a woke show.
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"You'll always be slipping Jimmy" - Allosaurus jimmadseni, holotype specimen (DINO 11541). Special thanks to commissioner
@RabbitsFoot____
!
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Paleotwitter seeing thousands of tiktoks and newspaper articles about dinosaurs having human ear lobes after this weeks trend
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My first (public) skeletal of 2023 - Suchomimus tenerensis! This is a little update from the last, more S curved neck, and a few general changes based on the scanned material published in the new Spinosaurus paper! Scale bar is 1 metre, based on holotype specimen.
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@LastName437
Not animal rights people, it's to do with just general people that claim they "love animals" but can't stand any animal that isn't cute to them or hunts other creatures to eat
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Gorgosaurus libratus: Holotype specimen and "Ruth" skull swap. Thanks to Blub for the commission!
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@shmeptic
Entirely agree on that last point. And that's what I'm trying to convey here - the argument that "dinosaurs couldn't roar because crocodiles can't" is still thrown about when crocodiles can produce sounds that most would consider a "roar"
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#Daspletosaurus
"wilsoni" was originally described as an example of anagenesis - though paleontologists disagree whether or not specimen BDM 107 represents a new species, or another specimen of Daspletosaurus torosus.
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"""Hair doesn't preserve in fossils so surely they could have looked like this XD"""
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#Megistotherium
was an enormous hyainailourine hyaenodont, an ancient carnivorous mammal with a name aptly translating to "Greatest beast". This huge predator stalked the Miocene of Africa and parts of Asia.
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A hypothesis I wanted to draw based on the "denture" specimens of Diplodocus - in which its teeth are often found together in life position, displaced from their sockets. Perhaps they shed these teeth alongside keratinised tissue, a possible oral integument for these sauropods?
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Metriacanthosaurs were apex predators of mid-late Jurassic Europe and Asia, with
#Sinraptor
hepingensis being one of the most impressive members of the clade. Other than Sinraptor dongi, a smaller species, S.hepingensis is one of the best-known members of metriacanthosauridae.
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Rising to fame in the documentary Walking with Dinosaurs,
#Placerias
hesternus represents one of the last of the dicynodonts, surviving to the norian (Late Triassic). At the end of the Triassic, these large synapsids would become extinct, ushering in the age of the dinosaurs.
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