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May 16, 2012
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Big honkin' theropod of the southern hemisphere by ScottHartman Big honkin' theropod of the southern hemisphere by ScottHartman
I think Giganotosaurus epitomizes what people are expecting in their imaginations when we talk about giant predatory dinosaurs. It's stocky and overbuilt, but not in the "weight-lifting ballerina" style of T. rex. Instead, it's basically just a really big carnosaur with a big head.

Keen observers (or just those with too much time on their hands) will notice that the head is not reconstructed at all like the earlier elongate one that was created for the cast that is mounted at several museums - that's because it was wrong. For this version I drew on skull elements from Mapusaurus and Tyrannotitan to better flesh out the missing bits of its noggin.

Edit 2: As I was working on a size comparison between large theropods, I realized that there was a minor scaling error in the hind legs relative to the rest of the body (or more accurately, I realized I'd used Mapusaurus's proportions instead). This has now been fixed, and Giganotosaurus is somewhat closer to the ground (although still with a relatively tall femur).
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:iconpiche2:
es el mejor esqueleto de giganotosaurus que e visto en esta pagina web.Me gustaría ver mas ver mas de ti ya eres un excelente artista y que seria mejor que hicieras mas ejemplares de dinosaurios ya que este dinosaurios es el emblema de mi país.Sin duda eres uno de los mejores paleoartistas que visto y me gusta muchos tu ilustraciones, me gustaría que incluyeras el tamaño que tiene haber tenido este sorprendente depredador que existido y que existirá jamas sobre la tierra.
Lo digo y lo vuelvo a decir eres uno de los mejores paleoartistas que visto aquí y suerte
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:iconcaprisaurus:
1 critique already, but 2 critiques are better than 1. As for the deviation, i've only got 1 word:awesome. The head of this magnificent beast is original and certified. This is perfectly positioned and totally fantastic. The bones are correctly thickened and adds the picturesque view to it. This would be a great feature drawing on any place! Instead of putting the feet's pad flattened to the the ground, you lifted to put in more impact. The teeth grows to certain length and width. Good score on the rates and this is how it should be for correct motion. I'm happy this exists.
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:iconshoe11:
shoe11 Apr 14, 2014  New member
HI there i was wondering if you could shed light on the unusual pattern of Giganotosaurus's spinous process and why they are all almost exactly the same height. as well as the very sudden increase in height of the spinous processes at the shoulder. would these be to anchor tendons and muscles to hold up the large head? if so why would they continue to be enlarged for the entire torso? is this feature common amoung carcharodontosaurids? i know that there are very scant remains of this family, but acrocanthosaurus also has enlarged spinous processes, although more exaggerated. Does tyrannotitan also have these elongated processes? i don't know if any other carcharodontosaurid is preserved well enough to know, except perhaps for mapusaurus but i'm unlear how much was found. thank you for your time
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:iconthemeekwarrior:
TheMeekWarrior Apr 7, 2014  Hobbyist General Artist
The other heads were wrong?! D: Man, I need an update!

Funny how the books a few years ago said that Giganotosaurus was more lightly built and agile than T. rex... I can't imagine something like Allosaurus being slower than big, bad Tyrannosaurus, who is said to not be able to run. Just goes to show, you can't know it all! :faint:
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:iconscotthartman:
ScottHartman Apr 7, 2014  Professional Digital Artist
Actually Allosaurus was almost certainly slower than T. rex. While it's not clear whether or not T. rex (or Allosaurus) could run with a true suspended ballistic phase, it is clear that T. rex had far more cursorial proportions in its limbs than other larger theropods, including smaller (but still large) theropods like Allosaurus.

If you step back a second to think about it, this isn't actually so weird - prey items like Triceratops and Edmontosaurus may not have been the fastest of animals, but they were surely quicker than the sauropods and stegosaurs that Allosaurus hunted, and as a result Allosaurus simply did not possess the adaptations for speed and size that tyrannosaurs developed.
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:iconthemeekwarrior:
TheMeekWarrior Apr 8, 2014  Hobbyist General Artist
Ah, I see. Makes sense that Allosaurus would be a slower runner because of its being built to hunt slower prey. I haven't really looked into dinosaurs as much since middle school, lol. I can imagine though that Allosaurus would at least be more agile with its smaller size. I'd think they'd have to be at least a little quick to take down sauropods that could have easily broken ribs with a good kick; I've read stuff in the past about Allosarus possibly using its jaws like a battle axe and attacking to make their quarry bleed to death.
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:iconmegalosaurid:

My measurements came up as this:

 

Femur: 1.432 m

Tibia: 1.185 m

Metatarsals 3: 0.59 m

phalanges: 0.4444 m

 

The leg length came up about 3.65 m, is this really plausible?

 

 

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:iconthedinorocker:
Scott what do you think about Carrano et al. 2012?
They supposed (as same as you) Giganotosaurus was lighter than T.rex and provided new mesurament of skull and femur (skull < 150 cm and 136,5 cm femur)
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:icongiga-fan123:
Awesome! this is actually my favorite dinosaur!
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:iconscotthartman:
ScottHartman Dec 10, 2013  Professional Digital Artist
Then you've chosen a good Deviant ID.
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:icongiga-fan123:
thank you! Not a lot of people know what it means :)
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:iconmegalosaurid:

What is the heaviest you think this specimen could get? I have Heard of many estimations, from 5 to 9.2 tonnes, but they are just conservative and liberal estimates, most estimates round 6.5+ tonnes, I think myself in a range 6.8-7 tonnes, what do you think was te upper limit for MUCPv-CH1?

Also, what do you think was the maximum length posible?? 

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