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Post by raptorx863 on Nov 23, 2013 7:07:19 GMT
Wow, just wow... ??? A Neovenatorid was found in North America!? Living alongside early tyrannosaurs!? I mean, jesus, this changes everything! Siats meekerorum is a record breaker on so many levels. It's the youngest Allosauroid from North America, living 98 Million Years ago alongside some of the earliest tyrannosaurids from the continent (if undescribed remains are telling the truth). It's the only Neovenatorid from North America, putting a whole new group of dinosaurs on a continent we never thought lived on it before. (BTW, how the heck did it get to North America anyway!?) It's one of the biggest neovenatorids ever found, being 30 ft long or more and weighing about 4 tons, and that's from a juvenile specimen! A full adult would've been huge, possibly even rivaling the massive Chilantaisaurus tashuikouensis remains from China, and putting it in the size range of some big carcharodontosaurids. Finally, it also seems to finally prove that tyrannosaurids didn't out-compete other big theropods on their way to the top. Rather, it seems that big theropods were the ones suppressing tyrannosaurs, and that only when these guys were out of the picture that smaller tyrannosaurs were able to come in and fill that niche. In other words, the tyrannosaur fanboys are going to be pissed. Link to Paper: Neovenatorid theropods are apex predators in the Late Cretaceous of North America
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Post by themechabaryonyx789 on Nov 23, 2013 7:39:04 GMT
What is the estimated size of adult Siats?
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Post by raptorx863 on Nov 23, 2013 7:44:35 GMT
What is the estimated size of Siats? As I said above the juvenile specimen is already 30 ft long and 4 tons, thus there's a very good possibility that an adult would be in the Rex-size range, maybe even a bit bigger. It is almost certainly a contender for the biggest carnivore to have ever lived on the North American continent, and if it turns out to be bigger than Rex at adult size then the tyrannosaur fanboys are REALLY going to be pissed.
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Post by themechabaryonyx789 on Nov 23, 2013 7:51:49 GMT
What is the estimated size of Siats? As I said above the juvenile specimen is already 30 ft long and 4 tons, thus there's a very good possibility that an adult would be in the Rex-size range, maybe even a bit bigger. It is almost certainly a contender for the biggest carnivore to have ever lived on the North American continent, and if it turns out to be bigger than Rex at adult size then the tyrannosaur fanboys are REALLY going to be pissed. Awesome! 4 tons seems unusually heavy for the average juvenile 30ft long Neovenatorid, so I'm a bit sceptical of that estimate. This is definitely going to become one of my favourite dinosaurs though! Tyrannosaurids beware...
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Post by thesporerex on Nov 23, 2013 12:18:22 GMT
I don't believe it was 4 tons because thats just ridiclulous, its probably 2+ tons in weight but if this is already a juvenile it probaby could get to 4 tons at adult size. Also who the hell says Tyrannosaurids out competed north american carnousars? Before this discovery it was the carnosaurs died out and tyrannosaurs filled the niche. But this does create more questions than anwsers such as when did the Tyrannosaurids take over? How did the Neoventaorids get to north america? What happened between the time span of Acrocanthosaurus and Siat? and last but not least what the fuck lived in this new found ecosysten?
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Post by Allosaurus Rex on Nov 23, 2013 13:59:57 GMT
a huge neovenatorid found in north america..... i have to say that this is really awesome. it may also be a contender for the biggest neovenatorid since a fully grown siats may rival chilantaisaurus in that regard.
there's been alot of amazing discoveries recently. we earlier had lythronax, and now this.
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Post by Deleted on Nov 23, 2013 15:29:33 GMT
I honestly love neovenators so this might be my new favorite dinosaur can't wait till they find out the adult size!!!
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Post by Lmpkio on Nov 23, 2013 18:43:02 GMT
Holy shit! Thats awesome! Take that you British Redcoats (They have the neovenators!)!!! (No racism what so ever)
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Post by Theropod on Nov 23, 2013 18:53:41 GMT
Wasn't it a carcharodontosaurid? Also it would be more like 2 tonnes at the juvenile size of 30ft/9 metres. That is the same length as Allosaurus, it can't be twice as heavy being the same length.
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Post by themechabaryonyx789 on Nov 23, 2013 19:00:28 GMT
Holy shit! Thats awesome! Take that you British Redcoats (They have the neovenators!)!!! (No racism what so ever) - - ________
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Post by Lmpkio on Nov 23, 2013 19:02:59 GMT
Holy shit! Thats awesome! Take that you British Redcoats (They have the neovenators!)!!! (No racism what so ever) - - ________ I SAID NO RACISM INTENDED! (But sorry though, its American Patriotism that made me say that)
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Post by themechabaryonyx789 on Nov 23, 2013 19:07:55 GMT
I SAID NO RACISM INTENDED! (But sorry though, its American Patriotism that made me say that) - - _______ (I'm just messing with ya, I'm not offended in anyway)
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Post by Lmpkio on Nov 23, 2013 19:08:49 GMT
I SAID NO RACISM INTENDED! (But sorry though, its American Patriotism that made me say that) - - _______ (I'm just messing with ya, I'm not offended in anyway) Ok good.
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Quiz Time! What's the only genus of lizard that can shoot a jet of slime out of it's tail?
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Post by raptorx863 on Nov 24, 2013 2:17:31 GMT
While I do admit that maybe 4 tons is too big, I wouldn't be too skeptical of that estimate guys. Gregory Paul gave a 4.4 tons for a 35 ft long Acrocanthosaurus specimen, and gave a similar number to a 35 ft Chilantaisaurus. 2 tons or less is in the weight range of something like Carnotaurus or Allosaurus, both of which are very light-weight for their size. Siats would have to be more gracile than both of those in order to be so light. Also, like I said, he could be bigger (note I said 30 ft or more). The specimen is far from complete, so the size is only tentative at the moment. Still, he's definitely massive, and 30 ft should be considered conservative. Not according to the tyrannosaur fanboys. We can finally use this to shut them up. My guess is between 90-80 mya, which according to the Lythronax study, is when we're expected to find the first explosion in tyrannosaur diversity. Still, could've started slightly earlier. No flipping idea. 0_0 My best guess would probably be via some proto-Beringia from Asia (we have neovenatorids from there), but if that's the case then interchanges between Asia and America go WAY further back then we ever thought. Meanwhile, if Siats is more closely related to South American neovenatorids, then we have a problem because South America was still stuck to Africa at this time... I hate conundrums... -_- Maybe they suppressed carcharodontosaurids too? Dang, Siats' a monster if that's the case! According to the news stories, there was an unnamed species of primitive hadrosaur and a small tyrannosaurid found in the same deposit at Siats. Other than that, we don't have a clue... Nope, even says in the paper's title: Neovenatorid theropods are apex predators in the Late Cretaceous of North America
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Post by Lmpkio on Nov 24, 2013 2:29:33 GMT
See Theropod! I told you it was an ACTUAL Neovenatorid on skype!
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