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Troodontid Head Study WIP by povorot Troodontid Head Study WIP by povorot
Troodontid Head Studies - The pencils for a painting I plan to do pretty soon here...

1: Protornithorhynchus - The first true beaked troodontid, Protornithorhynchus was a small, turkey-sized omnivore that appeared in the late paleocene. The first troodon to lose all of his teeth!

2: Struthiops - A middle-sized cursory omnivore, Struthiops species are found all across the tropical and temperate regions of the old world. Fairly conservative descendants of Protornithorhynchus, the Struthiomorphes appeared during the Eocene. Through convergent evolution, the struthiomorphes are very similar in diet and morphology to modern ratites.

3: Unnamed browsing troodontid, sister-group to the struthiomorphes. Found in tropical forests throughout Africa and Asia.

4: Anatimimus - Primitive Anatimimids first appeared at the Paleocene–Eocene Thermal Maximum, developing into species nearly identical to modern Anatimimids by the end of the Eocene. They are important, anatomically, because they were the first non-caenagnathid dinosaurs to develop a rumen-crop for digesting large amounts of vegetation. They favour marsh and wet tropical habitats throughout the new and old world.

5: Dromaeopteryx - Descended from primitive Anatimimids, the Dromaeopterygidae are medium-sized grazers marked by prominent sexual dimorphism and extremely quick legs. The name comes from their use of their feathered forearms and tailfeathers for maneuvering when running at high speeds.

6: Anserimimus: A giant megaherbivore descendent of the Anatimimid and a grazing specialist.

7: Unnamed Gypsiform Troodontid - A very distinct branch off of the Protornithorhynchid tree... [link]
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:iconlyzeofkiel:
LyzeofKiel Featured By Owner Jul 18, 2015  Hobbyist Traditional Artist
splendid critters. this "beaked troodontid" thing is very plausible an' purty frinkin' cool. keep up the good work! :D

--
"Well, what did you expect? Some Tyto owl with gleaming armor, and battle claws, the moon rising behind him?"

LK
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:iconbalaur99dennonychus:
Balaur99Dennonychus Featured By Owner Mar 1, 2013
anserimimus is an ornithomimid that really exist.
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:iconpovorot:
povorot Featured By Owner Mar 5, 2013
Yeah I've been meaning to correct that - thanks!
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:iconrosutu:
rosutu Featured By Owner Feb 10, 2010
Very fascinating giving them all beaks. What's your reasoning behind that development?
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:iconpovorot:
povorot Featured By Owner Feb 10, 2010
The beak development is roughly analogous to ornithomimid beak development - the first proto-ornithomimids actually resembled troodontids in several respects - their teeth, body structure, etc. So I figured it wasn't too much of a stretch to have a troodon lineage develop beaks to support a more omnivorous lifestyle as well.
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:iconrosutu:
rosutu Featured By Owner Feb 10, 2010
Ah. I can kinda see that, though for the most part, doesn't the keratin sheath for the beak require some sort of beak shape in the snout, such as in ceratopsians, modern birds, and oviraptosaurids? I could imagine beaks being in the more primitive troodontids if your understanding is indeed plausible, though later troodonts may be a bit of a stretch.
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:iconpovorot:
povorot Featured By Owner Feb 10, 2010
Dude, really? It's alternate evolution! I'm not making any claims on the past - these beaks are a cenozoic development, as are all dinosaurs drawn here.

Also, I'm not sure I understand what you're saying - why would snout shape determine development of beaks?
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:iconrosutu:
rosutu Featured By Owner Feb 10, 2010
...Oh, these are for Spec, aren't they?
My bad. :iconembarrasedplz:
Well, I was saying that a lot of the things we know that have beaks, tend to have a snout that tapers into a point. But, since this isn't the Mesozoic era we're talking about, I'm just gonna shut up now.
P.S.: I LOVE SPEC!
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:iconpovorot:
povorot Featured By Owner Feb 10, 2010
Hahah! Well played, man. Don't worry about it.
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:iconrosutu:
rosutu Featured By Owner Feb 10, 2010
Ok, then.
Say, do you know when the page will be updated? Seeing some of this stuff here makes me wonder how it'll be executed in the site.
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:iconpovorot:
povorot Featured By Owner Feb 10, 2010
Actually, these aren't for spec - they're part of a separate but similar project I'm doing with Nemo Ramjet ( [link] ).

It might be a while before all the finalized designs make it out into the world, though.
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(1 Reply)
:iconviergacht:
Viergacht Featured By Owner Nov 12, 2009  Professional General Artist
#4 reminds me very fondly of my Muscovy ducks. There also seems to be quite a bit of turkey buzzard in all of them (my parents' house has lately become turkey buzzard central - the rude critters will peer at us through the skylights).
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:iconcommander-salamander:
commander-salamander Featured By Owner Aug 22, 2009  Hobbyist General Artist
I really love the way that you have captured a character for each of these.
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:iconpovorot:
povorot Featured By Owner Aug 22, 2009
Thanks!
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:iconcommander-salamander:
commander-salamander Featured By Owner Aug 22, 2009  Hobbyist General Artist
You are more than welcome, this is a fabulous project, I enjoy viewing the results!
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:iconqilong:
Qilong Featured By Owner Aug 22, 2009
There is in fact a dinosaur named Anserimimus.
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:iconavancna:
avancna Featured By Owner Aug 22, 2009  Hobbyist Traditional Artist
Then we can rename it Anserimimimimus
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:iconpovorot:
povorot Featured By Owner Aug 22, 2009
HELL YEAH! WHO MIMICS THE MIMICS? MUTHA-FUCKIN' ANSERIMIMIMIMUS!
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:iconavancna:
avancna Featured By Owner Aug 22, 2009  Hobbyist Traditional Artist
Will there be white face paint?
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:iconwhalewithlegs:
whalewithlegs Featured By Owner Aug 22, 2009
Nice, very nice. I like the beak curve of #3, and of course #5 is special :)
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:iconpovorot:
povorot Featured By Owner Aug 24, 2009
Yeah - #3 is based off a moa skull, so I'm not sure how kosher it is to use... but I just loved the look of it so much!
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:iconavancna:
avancna Featured By Owner Aug 21, 2009  Hobbyist Traditional Artist
Looking awesome so far. I think I like Dromaeopteryx the best so far.
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:iconpovorot:
povorot Featured By Owner Aug 22, 2009
I've got a dromaeoptyrex full-body drawing I'll be putting up very soon. I like it - kind of a caudipteryx-like body, but with more ostriche-y legs. Two toes? Hell yes.
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:iconavancna:
avancna Featured By Owner Aug 22, 2009  Hobbyist Traditional Artist
Sounds like a winning strategy.
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:icondromornis:
dromornis Featured By Owner Aug 22, 2009
Seconded.
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