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Triceratops horridus</strong>, the famous big browser from the Hell's Creek Formation, archenemy of the T-Rex. Not much more to say about such an famous animal.

Skeletal reference made by Scott Hartman

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August 6, 2011
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:iconnovablue:
~novablue Jun 26, 2012  Hobbyist General Artist
Love the colour pattern, suits it well :)
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:iconscarecrow105:
Wow great detail and colour scheme ... and believable too :) beautiful pic
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:iconthemorlock:
~TheMorlock Aug 19, 2011  Student General Artist
Love the colour scheme
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:iconkronosaurus82:
~Kronosaurus82 Aug 7, 2011  Professional Artist
Are the quills confirmed for Triceratops?
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:iconyoult:
~yoult Aug 7, 2011  Professional General Artist
Nobu not Nima... *shames*
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:iconyoult:
~yoult Aug 7, 2011  Professional General Artist
Here's something: There have been found a Triceratops fossil with skin impressions.
This Triceratops sp. "Lane" was found at the Zerbst ranch in Wyoming. Among this impressions are structures which may have been quills or protofeathers (yes, no prove but a reference point).
Alltough Nima's reconstruction is very speculative, I agree with you about the limited size of such attachments.
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:iconyoult:
~yoult Aug 7, 2011  Professional General Artist
As I know no. But it seems to be an basal attribute of Marginocephalia or maybe even Cerapoda (I think mostly of Tianyulong and Psittacosaurus)
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:iconkronosaurus82:
~Kronosaurus82 Aug 7, 2011  Professional Artist
Mhm... I think that on Triceratops, quills had to be simply too big to be effective for any use...
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:iconyoult:
~yoult Aug 7, 2011  Professional General Artist
If it had them, they surely hadn't an real protective effect I think. Thermoregulation would be nonsense too on this big animal.
But I think it could be used for attraction and/or deterrent because the hindquarters seem to be the less protected part of its body.
The quills I depicted are arround 150cm, rather shorter, and fulfill the such an effect.
But of course this is purely speculative since we have no proof for or against the "quills".

You know, I'm a friend of innovative ideas in Palaeontology if they are plausible.
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:iconkronosaurus82:
~Kronosaurus82 Aug 8, 2011  Professional Artist
I think the "problem" is not the lenght of these quills, but their diameter. On a 9 tonnes full grown Triceratops, their diameter should be too thick, not flexible, and then a fragile structure.
I don't think Triceratops – or any other big Ceratopsid – had these quills, but I respect your own view. :)
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