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Tarbosaurus bataar by EmperorDinobot Tarbosaurus bataar by EmperorDinobot
Tarbosaurus bataar has long been fought over as a synonym of Tyrannosaurus rex. I SAY DIFFERENT! This animal has sufficient differences to warrant its own genus. It's lighter, slightly smaller, and has numerous skeletal differences, most notably on its lighter, not as deep skull. IT also has the smallest arms of any tyrannosaur. It lived 70 MYA. That's 2MY before the advent of Tyrannosaurus.

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:iconasuma17:
Asuma17 Featured By Owner Nov 11, 2011  Hobbyist General Artist
In the time where Tarbosaurus lived, I wonder if it ever fought those other Tyrannosaurids of Asia. The new Tyrannosaurids of asia seemed to be more terrifying and powerful.
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:iconemperordinobot:
EmperorDinobot Featured By Owner Dec 1, 2011
They were all the same shit competing for the same niches.
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:iconpaleo-king:
Paleo-King Featured By Owner Aug 17, 2011  Professional Traditional Artist
I think they are not the same genus, but do exhibit some level of convergence. Tarbosaurus has a similar jaw locking mechanism to Alioramus, which is not present in T. rex or any North American tyrannosaurs. I don't know if this means Tarbosaurus is not T. rex's closest relative (as Jack Horner claims), but it's not the same genus, the shapes and reinforcements points of the skull bones differ, and the eye socket structure is more heavily reinforced at a younger age in Tarbosaurus. Also the juvenile and subadult Tarbosaurus specimens have similar snout proportions to T. rex adults, but adult Tarbosaurus have much longer snouts and extended skulls. The juveniles of Tarbosaurus do not appear to be particularly long-snouted contrary to what has often been claimed.

However, the date of 70 mya isn't totally accurate. Tarbosaurus appears to have survived, like T. rex, to the end of the Cretaceous. It's from the Nemegt formation which extends right up to the K-T boundary. The smaller arms may mean it was actually MORE derived than T. rex.
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:iconemperordinobot:
EmperorDinobot Featured By Owner Sep 2, 2011
yes.
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:icontyrannosaurusprime:
TyrannosaurusPrime Featured By Owner Aug 16, 2011
Nice!:thumbup: BTW I agree that Tarbosaurus is a different genus from Tyrannosaurus, while both are similar, Tarbosaurus had features that are too different to be placed in Tyrannosaurus.;)
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:iconkronosaurus82:
Kronosaurus82 Featured By Owner Aug 11, 2011  Professional Artist
In my opinion Tyrannosaurus and Tarbosaurus are two species of the same genus. It is true that the two are different enough to be two separate animals, but there are not enough differences to justify two genuses. :)
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:iconemperordinobot:
EmperorDinobot Featured By Owner Aug 11, 2011
It's possible, but that's like saying Tapuiasaurus is the same thing as Nemegtosaurus.
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:iconkronosaurus82:
Kronosaurus82 Featured By Owner Aug 11, 2011  Professional Artist
Not the same thing, the same genus. Lion, Leopard and Tiger are three species of the same genus.
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:iconemperordinobot:
EmperorDinobot Featured By Owner Aug 11, 2011
Alright. You have a point. But to me, T.rex and T.bataar are to me a llama and a camel.
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:iconkronosaurus82:
Kronosaurus82 Featured By Owner Aug 12, 2011  Professional Artist
Tyrannosaurus and Gorgosaurus are like a Llama and Camel. ;)
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:iconemperordinobot:
EmperorDinobot Featured By Owner Aug 12, 2011
True... But still, I'm not one for the bumping together of the names. Like Guanlong and Monolophosaurus. Clearly different animals and not growth stages. Or all of the lambeosaurinae to be Hypacrosaurus.
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:iconkairu-hakubi:
Kairu-Hakubi Featured By Owner Aug 10, 2011  Hobbyist Digital Artist
these are looking really good! you're improving and you were great to begin with.
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:iconemperordinobot:
EmperorDinobot Featured By Owner Aug 10, 2011
Harr! Thanks!
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