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T-PEKC — Bulgarian ornithomimosaur

Published: 2012-10-13 12:40:11 +0000 UTC; Views: 2476; Favourites: 60; Downloads: 0
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Description Title: Bulgarian ornithomimosaur
Media: Schneider Topliner 934, 0.4 mm, red colour.
September, 2012.


Extremely speculative reconstruction of a putative ornithomimosaur from the late Cretaceous, probably Maastrichtian, of Bulgaria. Mateus et al, 2010, described fragment from left humerus of theropod dinosaur, which they suggested belongs to ornithomimosaur. This fossil bone is one of the few records of this dinosaurian group in Europe thus it helds some importance to the understanding of the taxonomic diversity of Dinosauria in late Cretaceous Europe and the paleobiogeographic history of the clade Ornithomimosauria.

After the description of Balaur bondoc (Csiki et al, 2010) (sorry, I'm awared that the name of the taxon have to be in italic but I don't know how to use italic on DA) it become clear that some late Cretaceous taxons have close relation to relatively contemporary taxons from Asia. This led me to the speculation that the Bulgarian ornithomimosaur could be somewhat related to the ornithomimosaurs from Asia like Gallimimus or the more primitive Sinornithomimus. That's why I decided to reconstruct it like a mixture between the both genera mentioned above. I tried to think about how the life on a inland with limited resources will affect the anatomy of an ornithomimosaur but due to the lack of a known example I couldn't come up with something concrete. I decide to give my dinosaur long forelimbs and proportionally longer neck, while making its torso shorter and somehow more bulky. The spiky stuff along the body is actually EBFFs which are speculative for this dinosaurian clade.

The kicking behaviour showed here is also speculative. Any similarities with other artoworks are coincidental (this is not based on Gregory S. Paul kicking Dilophosaurus).

References:
Mateus, O. G. J. Dyke, N. Motchurova-Dekova, G. D. Kamenov, P. Ivanov. 2010. The first record of a dinosaur from Bulgaria.- Lethaia, 43, 1, 88-94.
Skeletal drawing of Gallimimus bullatus by Scott Hartman.
Skeletal drawing of Sinornithomimus dongi by Gregory S. Paul.
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Comments: 16

pilsator [2012-10-15 13:06:05 +0000 UTC]

Dunno if it's possible, it sure looks cool. Ornithomimosaurs needs more love, and bring on more of that good stuff

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unlobogris [2012-10-15 08:26:06 +0000 UTC]

< I > Italics < / I >

Just write the same without space between symbols:
Italics

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T-PEKC In reply to unlobogris [2012-10-16 16:58:59 +0000 UTC]

Thank you very much! I've been trying with [] but not with <>.

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Therosaur [2012-10-14 16:49:09 +0000 UTC]

Якоо!

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T-PEKC In reply to Therosaur [2012-10-14 20:09:03 +0000 UTC]

Е, български динозавър е, няма как да не е яко!

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Therosaur In reply to T-PEKC [2012-10-16 15:54:16 +0000 UTC]

Има ли фосили на подобно на балаур животно в България,че не съм сигурен?

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T-PEKC In reply to Therosaur [2012-10-16 16:57:49 +0000 UTC]

Не, за съжаление все още не е открито нещо подобно на Balaur у нас. Това, което е намерено в България е фрагмент от раменна кост вероятно принадлежаща на някакъв орнитомимозавър и 6-7 кости от неопределяем хадрозавроид. Според мен ако имаше повече материал, хадрозавроидът щеше да се окаже, че е близък до динозаврите от тази група открити в Румъния. Може би нов вид, но все пак техен близък роднина.

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Therosaur In reply to T-PEKC [2012-10-25 15:58:32 +0000 UTC]

А всъщност къде е намерен?В коя част на България?

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T-PEKC In reply to Therosaur [2012-10-25 19:12:14 +0000 UTC]

Фрагментът от орнитомимозавър, както и няколкото кости от хадрозавроид, са открити около пещерата Лабиринта във варовици с най-къснокредна (маастрихтска) възраст. Конкретно парчето раменната кост е открито във карстово образувание - въртоп, в непосредствена близост до пещерата, а хадрозавроидния материал е от самата пещера - костите са стърчали от стената на подземната камера. Пещерата е разположена между селата Драшан и Бресте, които се намират южно от Червен бряг, Врачанско. Ако се интерисуваш от подробности в нета може да бъде намерена самата научна публикация, в която е описана находката, както и две кратки съобщения публикувани в списание на БАН.

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EWilloughby [2012-10-13 23:37:04 +0000 UTC]

Awesome! This immediately reminded me of Greg Paul's Dilophosaurus. Really nice job on the texture of the integument, and I'm impressed with how much detail you can get into your textures, as always.

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T-PEKC In reply to EWilloughby [2012-10-14 20:32:28 +0000 UTC]

Thank you! To be honest I wasn't happy with the integument at all. Don't know exactly why but probably because it didn't turn out exactly as I wanted. As for the details, there is good reason for why I'm putting so much effort in details in my works. It's simply because I'm trying to compensate somehow the static compositions and the lack of originality.

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Boverisuchus [2012-10-13 13:01:29 +0000 UTC]

How likely is a dinosaur rocking back on its tail to kick, this is based on kangaroos, but I have seen no evidence confirming that they can, if anything, the chevrons may have prevented this. Do enlighten me if you know otherwise...

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T-PEKC In reply to Boverisuchus [2012-10-13 19:48:59 +0000 UTC]

To be honest I'm not sure and I have never red papers on this exact subject.I got the idea about kicking from pics of fighting ostriches. Greg Paul also mentions powerful leg kick as probable defense mechanism in ornithomimosaurs in his Field Guide. Anyway, because I wasn't sure if these dinosaurs could use their tail to support them while kicking, I draw the tail clearly off the ground. I wanted to draw the animal like it is jumping recklessly towards its unseen enemy, not like it is doing well thought kick while balancing on its tail. Of course there is always the question if the animal can flex its tail in this way but in my opinion the curvature of the tail shown here is in the range of motion and flexing of most theropod tails.
Unfortunatelly I can't back up my recontruction with acutal scientific data.

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Boverisuchus In reply to T-PEKC [2012-10-14 01:07:25 +0000 UTC]

If it's just a leap, that's fine, pefectly realistic IMHO.

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ebelesaurus [2012-10-13 12:44:40 +0000 UTC]

there he is!!!!!!!!!! finally!!!!!!!!

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T-PEKC In reply to ebelesaurus [2012-10-13 19:29:43 +0000 UTC]

It was about time, wasn't it?

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