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Submitted on
March 22
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The More Accurate Utahraptor by EWilloughby The More Accurate Utahraptor by EWilloughby
Scott Hartman has recently released his silhouette of the new Utahraptor to Phylopic. Even though the paper hasn't actually come out yet, Scott gave me permission to upload my own drawing as well, which he has approved as being accurate (at least from a distance - any more subtle anatomy differences would be likely hidden by feathers). 

Clearly, the new material will completely revamp our perception of what this animal looked like and probably how it behaved as well. Note the downturned jaw with its procumbent teeth and the much shorter limbs and tail. I've heard people say the new material makes Utahraptor "ugly", but I don't see ugly, I just see very, very strange - like an "ostrich bulldog", to use Kirkland's words.

Hopefully we'll see the paper out soon. I don't know much detail beyond what you see here, so I'm as excited as the rest of you. And now to let the ecological speculation on what it was actually doing with that weird jaw and extra-short limbs begin!

This is not technically a new illustration, but a modification of an old one. To compare it to the prevailing paradigm of Utahraptor anatomy as we've known it for many years, see here.
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lest5000 Featured By Owner Nov 9, 2014   Photographer
cool :)
kuartus4 Featured By Owner Oct 23, 2014
When is this new utahraptor paper coming out?
EWilloughby Featured By Owner Oct 27, 2014  Professional General Artist
No one is sure... I'm hoping for an early spring release, personally.
Saurornithoides Featured By Owner Aug 11, 2014
This honestly isn't too surprising, considering its close relative Achillobator's odd proportions
Sasiadragon Featured By Owner Jun 17, 2014  Hobbyist General Artist
This thing gets cooler and cooler for every time. I love seeing more realistic dno-art, and I am baffled by how much we can find out about these creatures! That jaw is kind of cool, wonder what it was for.

Oh my, ostrich bulldog. Best description ever.
Weirdness-Unlimited Featured By Owner Jun 13, 2014  Hobbyist General Artist
I like seeing work of feathered theropods and raptors like this, with legitimately natural looking feathers instead of baby goose down fluff everywhere which in my opinion would be a hindrance and very difficult to groom after feeding. Cool stuff.
Dinofuzz Featured By Owner Jun 11, 2014  Hobbyist General Artist
Somewhere in the middle, between epicly cool and extreme majestic! :D
CJCroen Featured By Owner Jun 9, 2014  Hobbyist Traditional Artist
So this is what the new Utahraptor looks like :D
trisdino Featured By Owner May 30, 2014
The legs do look a bit to drumstick-escue, but other than that, it is a great drawing.
Gojira5000 Featured By Owner May 25, 2014  Hobbyist Digital Artist
The legs look quite muscular at the top end, sort of like a eagle or phorusrachid. Maybe it used the specialized tarsal claw on it's second pedal digit to inflict puncture wounds on prey by lashing out with the leg and digging the claw into the skin, easing the way into the prey restraint position? I can't see such a robust animal moving at high speeds for long; the big cat comparisons are really becoming very apt now, since Utahraptor seems to be more of a burst ambush-style hunter than a high-speed, long-distance hunter like canids and I could see the arms coming into play in putting the prey animal in the ground. Utahraptor seems to be, to me, at least, the dromaeosaur equivalent to pantherines and the cougar. Which is awesome, but also interesting.

Very interesting.
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