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Post by Hatzegopteryx on Jan 29, 2014 21:30:56 GMT
Spinosaurus aegyptiacus
Tyrannosaurus rex
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Post by themechabaryonyx789 on Feb 13, 2014 19:34:40 GMT
I'm waiting for Scott Hartman's GDI, I will probably debate on this thread more when it comes out.
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Post by Hatzegopteryx on Feb 13, 2014 19:53:55 GMT
So am I. Using the guesstimates by Spinodontosaurus, we can easily call this a 60-70% match in favour of Spinosaurus aegyptiacus. But as it has been said, they were only guesstimates. Though, scaling isometrically from the immature Baryonyx walkeri specimen, Spinosaurus aegyptiacus is no les than ~9 tons. A 9 ton Spinosaurus would lose more often than not against Tyrannosaurus rex, but that is just the minimal mass estimate for this spinosaurid with the data we have.
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Post by thesporerex on Feb 13, 2014 19:56:51 GMT
I feel like I should side with T. rex now after like 5 months of supporting Spinosaurus because of andrea cau's posts. I will get the pictures
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Post by Hatzegopteryx on Feb 13, 2014 19:59:22 GMT
I am neutral at the current moment, but I am very convinced that 80% in favour of the spinosaurid is incredibly exaggerated. Tyrannosaurus rex had a very wide gape for its biteforce, wide enough to bite its foe's whole torso from below.
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Post by thesporerex on Feb 13, 2014 20:01:59 GMT
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Post by thesporerex on Feb 13, 2014 20:02:34 GMT
Those are all to scale
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Post by themechabaryonyx789 on Feb 13, 2014 20:05:43 GMT
So am I. Using the guesstimates by Spinodontosaurus, we can easily call this a 60-70% match in favour of Spinosaurus aegyptiacus. But as it has been said, they were only guesstimates. Though, scaling isometrically from the immature Baryonyx walkeri specimen, Spinosaurus aegyptiacus is no les than ~9 tons. A 9 ton Spinosaurus would lose more often than not against Tyrannosaurus rex, but that is just the minimal mass estimate for this spinosaurid with the data we have. I scaled the weight of the 15.6 metre long Spinosaurus from the 9.5 metre long 2.6 ton immature Baryonyx specimen and got 10.4 tons. Of course this is not a reliable estimate since it is scaled off another theropod with different anatomy.
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Post by Hatzegopteryx on Feb 13, 2014 20:08:50 GMT
So am I. Using the guesstimates by Spinodontosaurus, we can easily call this a 60-70% match in favour of Spinosaurus aegyptiacus. But as it has been said, they were only guesstimates. Though, scaling isometrically from the immature Baryonyx walkeri specimen, Spinosaurus aegyptiacus is no les than ~9 tons. A 9 ton Spinosaurus would lose more often than not against Tyrannosaurus rex, but that is just the minimal mass estimate for this spinosaurid with the data we have. I scaled the weight of the 15.6 metre long Spinosaurus from the 9.5 metre long 2.6 ton immature Baryonyx specimen and got 10.4 tons. Of course this is not a reliable estimate since it is scaled off another theropod with different anatomy. Where did the 2.6 ton figure come from?
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Post by themechabaryonyx789 on Feb 13, 2014 20:19:31 GMT
I scaled the weight of the 15.6 metre long Spinosaurus from the 9.5 metre long 2.6 ton immature Baryonyx specimen and got 10.4 tons. Of course this is not a reliable estimate since it is scaled off another theropod with different anatomy. Where did the 2.6 ton figure come from? Spinodontosaurus from Carnivora (on the Allosaurus vs Baryonyx thread)
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Post by Hatzegopteryx on Feb 13, 2014 20:20:58 GMT
Where did the 2.6 ton figure come from? Spinodontosaurus from Carnivora (on the Allosaurus vs Baryonyx thread) I expected an actual source, Spinodontosaurus makes guesstimates like 11-13 tons for Spinosaurus aegyptiacus.
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Post by themechabaryonyx789 on Feb 13, 2014 20:25:30 GMT
Spinodontosaurus from Carnivora (on the Allosaurus vs Baryonyx thread) I expected an actual source, Spinodontosaurus makes guesstimates like 11-13 tons for Spinosaurus aegyptiacus."I recall Blaze once did a GDI estimate on the holotype specimen of Torvosaurus (iirc ~1.5 tonnes for an animal ~8 meters tip-to-tip); scale that up to Baryonyx size (~9.6 meters tip-to-tip, with broadly similar proportions in lateral view) and I get something in the region of 2.6 tonnes or more" It is not a guess estimate from Spinodontosaurus. Also there is hardly any difference between 2.5-2.6 tons so this debate is quite pointless.
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Post by thesporerex on Feb 13, 2014 20:30:04 GMT
Debate no arguement
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Post by Hatzegopteryx on Feb 13, 2014 20:33:41 GMT
I expected an actual source, Spinodontosaurus makes guesstimates like 11-13 tons for Spinosaurus aegyptiacus."I recall Blaze once did a GDI estimate on the holotype specimen of Torvosaurus (iirc ~1.5 tonnes for an animal ~8 meters tip-to-tip); scale that up to Baryonyx size (~9.6 meters tip-to-tip, with broadly similar proportions in lateral view) and I get something in the region of 2.6 tonnes or more" It is not a guess estimate from Spinodontosaurus. Also there is hardly any difference between 2.5-2.6 tons so this argument is quite pointless. He said in the region, not exactly. If you want to round it up, use 2.5 instead of 2.6. If there is hardly any difference between them, why not round it up to 2500kg? And this is a debate, not an arguement, and it does have a point.
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Post by themechabaryonyx789 on Feb 13, 2014 20:37:21 GMT
"I recall Blaze once did a GDI estimate on the holotype specimen of Torvosaurus (iirc ~1.5 tonnes for an animal ~8 meters tip-to-tip); scale that up to Baryonyx size (~9.6 meters tip-to-tip, with broadly similar proportions in lateral view) and I get something in the region of 2.6 tonnes or more" It is not a guess estimate from Spinodontosaurus. Also there is hardly any difference between 2.5-2.6 tons so this argument is quite pointless. He said in the region, not exactly. If you want to round it up, use 2.5 instead of 2.6. If there is hardly any difference between them, why not round it up to 2500kg? And this is a debate, not an arguement, and it does have a point. He said in the region of 2.6 tons or more. I would round it to 2.5 tons if he said ~2.6 tons.
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