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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,395 Views)
Jules
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Mihi est imperare orbi universo

I trust you meant shark here? Cause I don't think sharts fossilize :P

I think it was Cladoselache, but I'm not sure it can even be considered a true shark.
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Bill
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originally, one_piece

anyone know of a website about prehistoric vegetation? with reference images would be the best.
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Incinerox
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Āeksiot Zaldrīzoti

There's no one specific site that I'm aware of.

Yer better off just finding papers for individual fossil ecosystems. Some you'll hit the jackpot on, and others you won't.

If you could be a bit more specific on what plants you're looking for from which time and location, that'd help.
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Bill
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originally, one_piece

ok, i'm trying to re-create a scene in blender from Cretaceous's "Hell Creek Formation", i believe that's what it is called, the area where T.rex once roam. and i need infos about the plants and trees that once thrived there.
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Incinerox
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Āeksiot Zaldrīzoti

Ahh, I've got a few papers about Hell Creek stuff. I'll look into what I've got and forward it to you later.

But long story short, it's mainly a Dawn Redwood-Beech mixed forest, with lots of Royal ferns, buckthorns and stuff like that thrown in there.
Edited by Incinerox, May 30 2015, 10:19 AM.
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Bill
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originally, one_piece

awesome! that infos should be enough already, but seeing the paper would be even better. thanks for your help!
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CyborgIguana
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I have a question regarding Incinerox's comment about beaks being unable to coexist with teeth: would this make the depictions of dromaeosaurids with beaks inaccurate, since most of them had teeth right up to the ends of their jaws?
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Incinerox
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Āeksiot Zaldrīzoti

Oh GOD yeah.

It's always confused me why people put beaks on their raptors. We at no point EVER had any evidence suggesting they had beaks. No fossil has ever even REMOTELY indicated it.

And, the bones that make up their upper and lower jaws were lined with holes which in life would have supported fleshy tissue. Actual lips, feathered or otherwise. No different from what's seen in any other toothed dinosaur.

I feel Headden's diagrams of numerous dinosaur heads would do nicely.

Take Velociraptor:
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Compare that with other toothed dinosaurs, Plateosaurus, Dilophosaurus, Masiakasaurus and a T.rex for the sake of measurement:
Spoiler: click to toggle


And again with toothless dinosaurs (with an additional pterosaur thrown in):
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Seems like oldschool got some things right. "Oh look, that animal didn't have teeth. It MUST have had a beak instead". Not flawless logic but one of the first things they used to look out for in a beak was the absence of teeth. The hell happened to that?
Edited by Incinerox, May 30 2015, 09:00 PM.
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CyborgIguana
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It never quite made sense to me either, aside from wanting to highlight their close relation to birds (as though the feathers and general skeletal structure weren't enough already to indicate this).
Edited by CyborgIguana, May 30 2015, 09:53 PM.
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Luca9108
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Master of Dinosaurs

How big was Presbyornis? Nevermind.
Edited by Luca9108, Jun 1 2015, 02:19 PM.
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Posted Image Guat
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Would it be possible for a sub adult Stokesosaurus to fend off its kill from an adult Torvosaurus.
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CyborgIguana
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I suppose it's possible, but keep in mind that an adult Torvosaurus would have been nearly triple the size of Stokesosaurus.
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babehunter1324
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It could happen if the Torvosaurus wasn't particullary hungry ;)
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Fluffs
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Pull my finger!

Would it theoretically be possible to believe that the thylacine is still out there?
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CyborgIguana
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It's not impossible, but I wouldn't get my hopes up frankly.
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