DrScottHartman's avatar


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As the embargo has now been lifted, I give you the skeletal of the basal bird-line archosaur Teleocrater.

Update: I swapped in the one without armor - the one with armor is what was used in the paper, but the authors ultimately concluded that it probably lacked phytosaur-like armor.
Image size
2400x681px 246.24 KB
iPhone 6s
Shutter Speed
1/30 second
Focal Length
4 mm
ISO Speed
Date Taken
Jun 4, 2016 3:40:12 PM -04:00
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anonymous's avatar
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Depi66's avatar
Can I use this for a profile of the animal alongside other sketches of it's head and hands
freiresousa2's avatar
Can you give me permission to use this skeletal for a reconstruction i'll make?
DrScottHartman's avatar
For a life reconstruction? Sure thing.
HodariNundu's avatar
Do you, by any chance, know why the press articles said it was 2-3 meters long? 
DrScottHartman's avatar
Because that's roughly in line with the actual length? Two meters is more accurate, but we don't know exactly how long the tail was (e.g. how many caudals were in it) so 2-3 doesn't seem like a crazy number to give people.
HodariNundu's avatar
Ah, didn´t know about the tail. Thanks for the reply!
spinosaurus1's avatar
might i ask, being that i am making an illustration based on your skeleton, does this animal have all clawed fingers on it's for arms, or only the first three are clawed as with the majority of archosaurs?
DrScottHartman's avatar
We don't have enough of the hand to know for sure, but I would always assume that archosaurs are missing claws in the fourth and fifth fingers unless presented with overwhelming evidence to the contrary.
Khaidu's avatar
Awesome stuff, as a dino artist, do you need to know a lot about the scientific details and names of all the bones etc. when drawing dinosaurs?
DrScottHartman's avatar
The more you know the easier it is to make sure you aren't making errors, but in theory if I do my job well enough then artists don't have to know as much to illustrate accurate dinosaurs.
pilsator's avatar
Oooooooh, it's finally published. Awesome stuff to see out. And great skeletal as always, Scott!
DrScottHartman's avatar
71 years - and people were complaining about the Utahraptor skeletal!
Lycansbite's avatar
acepredator's avatar
Another Triassic large land predator
DrScottHartman's avatar
A whole new family of them!
Dinopithecus's avatar
Wait, so an avemetatarsalian with crocodile-like ankles? Did I get that right?
DrScottHartman's avatar
Yes. And possibly multiple origins to dinosaur-style ankles.
Dinopithecus's avatar
Hmm, that's cool.

One thing I'm not clear about though. Mark Witton's drawing of this creature depicts it with some sprawling in the legs. Other reconstructions depict it as more erect legged. Your skeletal is in lateral view, so I can't really tell. Any thoughts?
DrScottHartman's avatar
I'm not sure which of Mark's images you are referring to (his most recent one is in side view I believe?), but all dinosaurs has knees that were somewhat everted - animals with pillar-straight limbs ala elephants and people are actually pretty rare, and theropods were not among them (nor were almost all ornithischians...some derived stegosaurs possibly excepted).
Dinopithecus's avatar
This one.


Maybe it's the perspective (or something) fooling me, but at first glance, they looked somewhat splayed outward.
DrScottHartman's avatar
Oh jeez, sorry. I had just been answering another question about Baryonyx in another thread and forgot what thread I was in! The limbs almost certainly were a) partially everted (not just parasagittal (which is sort of visible in the left ankle, but not real clear) and b) more laterally mobile in general than dinosaur hip sockets, which is usually the case with solid hip sockets relative to perforated hip sockets.
anonymous's avatar
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