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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,475 Views)
Furka
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Would it be possible for a large theropod like a carnosaur or tyrannosaur to get back up on his feet after falling on its side ? (assuming it didn't break up anything serious in the fall).
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CyborgIguana
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MrGorsh
Apr 14 2014, 01:06 AM
CyborgIguana
Apr 13 2014, 10:36 PM
Is it true that Paul MacCready's 1984 Quetzalcoatlus model was a failure when it came to getting to fly, and that the media has been covering it up all these years since? Because what this could end up meaning for the flying ability of Quetzalcoatlus is making me somewhat uneasy.
One model that was gotten wrong doesn't mean a living animal couldn't fly. And our knowledge of pterosaurs, not to mention Azhdarchids, improved greatly since then. Cyborg, I don't know what sites are you reading these things on, but I'm pretty sure you're causing yourself a paranoia xD
Yeah, that's always been a habit of mine. I just have to learn to use my common sense: why would Quetz have such an enormous wingspan if it didn't fly? :P
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Hammond
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Swigity Swag what's in the Bag

Furka
Apr 14 2014, 07:20 AM
Would it be possible for a large theropod like a carnosaur or tyrannosaur to get back up on his feet after falling on its side ? (assuming it didn't break up anything serious in the fall).
Probably so, I mean how else is it gonna reposition itself when it falls over during a chase or something.

Life alert didn't exist back then, so some of those theropods had to find a way to get back on their feet somehow.
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CyborgIguana
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If Gastornis was a herbivore, would this also apply to relatives like Bullockornis (I only ask because it is only distantly related to Gastornis and as such could have differed in its biology)?

Before anyone accuses me of being a paleo-fanboy, let me just say that I'm perfectly fine with both animals being herbivorous, it's just my curiosity talking.
Edited by CyborgIguana, Apr 16 2014, 06:08 PM.
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tigris115
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How long did megalosaurids (spinosaurids included) & allosaurids last till?
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CyborgIguana
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Spinosaurids aren't megalosaurids (that would require them to be part of two families at once, which is impossible). I'll assume you mean megalosaurians, in which case I'm fairly sure they, along with allosauroids, lasted until the middle part of the late Cretaceous.
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Similis
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CyborgIguana
Apr 16 2014, 06:06 PM
If Gastornis was a herbivore, would this also apply to relatives like Bullockornis (I only ask because it is only distantly related to Gastornis and as such could have differed in its biology)?

Before anyone accuses me of being a paleo-fanboy, let me just say that I'm perfectly fine with both animals being herbivorous, it's just my curiosity talking.


Bullockornis is speculated to have been at least partially carnivorous, atm Gastornis is the only one who got enough attention and fossil material to determine diet for sure, apparently.

tigris115
Apr 16 2014, 10:53 PM
How long did megalosaurids (spinosaurids included) & allosaurids last till?


Megalosauroidea (assuming you refer to superfamily) according to Wiki, lasted from 170 to 84 millions of years ago, of course assuming that there weren't any of them living past the mark of the last one found, which is quite possible given how scarce are remains of some of these genera. However Megalosauridae lasted from 170 to 148 millions of years ago and Spinosauridae from 155 to 93 millions of years ago, so I'm not too certain about the superfamily extinction time estimate.

Allosauridae lasted between 150 and 155 millions of years ago.
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Furka
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I know Velociraptor is thought to be nocturnal based on analysis of the sclerals, but does that apply to other Velociraptorinae too (mainly interested in Acheroraptor) ?
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CyborgIguana
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Not sure. I think Acheroraptor is too new an animal for any such studies to have been performed yet.
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Bigwhale
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What animals can be found in the Huincul Formation (or the animals that found near it but could potenially have lived thre too)?
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Dr. Hax
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Is it possible for there to be some sort of therizinosaur living in Hell Creek? I say this because other species have proved there have been therizinosaurs in North America before then, plus the fact that Hell Creek and other parts of north America are often eerily similar in their animals.
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Furka
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It's all speculative at this point, we need more evidence.
Pheraps they prefered different environments, or their diet consisted of plants that weren't found in that area.
And then, I am not sure if there was some kind of natural barrier that prevented the early forms to spread 'til there.
Edited by Furka, Apr 20 2014, 02:02 PM.
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Admiral General Aladeen
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Could the thylacine really hop on its hind legs like a kangaroo? I've seen plenty of little dogs do that, but it seems so weird to imagine one doing that. xD
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Fluffs
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Pull my finger!

I doubt it, considering quolls and numbats, their relatives, have a more "scurrying" gait, but due to its size, I'd go with a dog-like or even a gait of its own.

It's however a great hypothesis... xD

But, the Adelaide Zoo has reported to see a thylacine do so. So great possibility :)
Edited by Fluffs, Apr 20 2014, 08:47 PM.
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CyborgIguana
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Well, it's not really like there's much speculation involved since we saw them alive until quite recently. :P
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