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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,462 Views)
stargatedalek
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I'm not slow! That's just my moe!

Furka
Jul 14 2014, 06:05 AM
AFAIK modern archosaurs don't have much saliva, which it's what venom evolved from.
But I can easily see some dinosaurs spitting Puke on an attacker as a defense, like some modern birds.
that varies, with some species its a specialized digestive enzyme, with other its based on their immune system proteins, saliva is merely a delivery system, one of many
http://phenomena.nationalgeographic.com/2013/01/09/on-the-origin-of-venom/

spitting any sort of venom that far is difficult, cobra have to use specialized fangs in order to manage it
if you want a spitting dinosaur, I recommend you base this behavior off of sea birds and not venomous reptiles
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BossAggron
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Formerly Dilophoraptor

What are the Population an Locational differences of the Two Triceratops Species T.horridus and T.prorsus?
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Furka
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I asked the same thing earlier in the topic, and IIRC T. prorsus lived earlier, and had smaller nasal horn.
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CyborgIguana
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It actually had a larger nasal horn IIRC.
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Nomis
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the Mountain Born

Well this isn't a question about paleontology but can this be trusted as a source for information about paleontology.
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stargatedalek
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I'm not slow! That's just my moe!

Nomis
Jul 15 2014, 11:56 AM
Well this isn't a question about paleontology but can this be trusted as a source for information about paleontology.
I'm gonna go ahead and say
BIG FAT NOPE xD
*context* http://www.prehistoric-wildlife.com/species/t/tapejara.html

most of it seems ok, but its out of date on many aspects
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Bill
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originally, one_piece

what is the most noticeable difference between a tyrannosaurus and a tarbosaurus, anatomically?
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Similis
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Skulls. A is Tarbosaurus, B is Tyrannosaurus.

Posted Image

http://en.wikipedia.org/wiki/Tarbosaurus#Classification_and_systematics
Edited by Similis, Jul 17 2014, 01:58 AM.
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Bill
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originally, one_piece

thank you sir :D
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SamtheMan
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I was going over the differences between horns and antlers at this website (http://blogs.ucl.ac.uk/museums/2013/07/11/horn-vs-antler/) when this question occurred to me: since the horns that we see on ceratopsians are just the core of the horn, do we have any idea of how much larger the horns of various ceratopsian species might have been if we include the keratin?
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stargatedalek
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I'm not slow! That's just my moe!

some we don't know exactly, but most we can be fairly certain, the keratin still has to follow the outline of the core
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Black Hawk
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Just call me Hawk

Not really a question but where can i find a website, like a good source for paleontology?
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stargatedalek
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I'm not slow! That's just my moe!

its always best to cross-reference multiple sources
especially if they are not direct
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Black Hawk
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Just call me Hawk

Well other than wikipedia (wich can be really confusing sometimes) i kinda need something a little more simple but still up to date and accurate (if there's any)
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Furka
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What do we know about Therizinosaurs skull morphology and the implications of that in their diet ?
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