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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,291 Views)
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Incinerox
May 6 2016, 11:33 PM
As much as I'd like to keep debating the complete unknown that is sphenacodont integument, I have far more pressing issues to deal with:

If you have a paleoenvironment where 50% of the known animal species there are oviraptorines (I'm currently looking at 5 goddamn oviraptorines, a therizinosaur, a hadrosaur, a euhelopodid, and a tyrannosaur), and it's supposedly quite arid, what would the comparatively high oviraptorine count mean for the environment as a whole?

Like, what kind of flora was there? Why was it so favourable to oviraptorines? The only thing it explains is why the tyrannosaurid in question is built like it is.

Now, I ask specifically on floras because there are none currently preserved. Which isn't helpful.

Trying to keep this sorta vague because it's for small project of mine that certain people aren't supposed to know the details of yet.
In general, desert habitats favor animals with generalistic diets because of the scarcity of food, which would likely explain why you'd find so many oviraptorines. In general from what I'm finding Oviraptorids favored desert environments to begin with, particularly ones with low-growing plants.
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stargatedalek
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I'm not slow! That's just my moe!

The strong beaks of oviraptorosaurs could, in theory, have allowed them access to a wide variety of plants. Anything from fruiting plants to actual stems and branches.

I'd look at that hadrosaur for what kind of low growing plants there were, but the presence of a sauropod probably indicates the presence of at least some trees.

Given this I'd expect a desert comparable to the Sonoran or Outback rather than a sandy desert.
Edited by stargatedalek, May 7 2016, 01:01 PM.
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Paleop
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Paleopterix

Could Oviraptorosaurs spread their tail feathers in a manner similar to turkeys?
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What are major biomes in Pleistocene North and South America that are still around today?
Edited by Guat, May 7 2016, 10:37 PM.
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CyborgIguana
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All of them, pretty much. :P
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stargatedalek
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I'm not slow! That's just my moe!

Paleop
May 7 2016, 09:32 PM
Could Oviraptorosaurs spread their tail feathers in a manner similar to turkeys?
IIRC some of them had specialized tail joints for display allowing them to "flick" the tip vertically, so they probably did something using that instead.
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Incinerox
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Āeksiot Zaldrīzoti

They had pygostyles. So yeah, they probably could.
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stargatedalek
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I'm not slow! That's just my moe!

Perhaps I'm simply unfamiliar with how turkeys display, but I thought they expanded their tail feathers by contracting muscles over the hips?
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Incinerox
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Āeksiot Zaldrīzoti

Not sure about turkeys specifically. I think it's just their tail feathers. PEAFOWL raise their tail feathers as support for their elongated, flashy tail coverts.
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Is it plausible that Dholes lived in Southern California during the Pleistocene?
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Incinerox
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Āeksiot Zaldrīzoti

There is an account of Pleistocene dhole remains in the Yukon, and as far south as Mexico.

So yes, Southern California is within that range.
Edited by Incinerox, May 14 2016, 02:06 AM.
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PrimevalBrony
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Youtuber. Combat robotics fan

What's a good average speed for alioramines?
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Incinerox
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Āeksiot Zaldrīzoti

Not tested, but their proportions and such are similar to comparably heavy ornithomimids. And the fastest of those is estimated to hit about 70kph/43mph, which is exceeded only by ostriches and terror birds.

Given that Giganotosaurus clocked in at 50kph, I'm very much convinced you'd ve looking at about 65kph/40mph for an alioramine.
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54godamora
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is there any evidence for solitary cave lions?
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Paleop
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Paleopterix

what is the widest ankylosaur?
Pinacosaurus?
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