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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,458 Views)
stargatedalek
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I'm not slow! That's just my moe!

new remains have been found, it also has a longer neck than before, and the the neural ridge is either split or rectangular
Edited by stargatedalek, Aug 26 2014, 07:28 PM.
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CyborgIguana
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I wouldn't say split, just dipping a bit in the middle from what I've seen.
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stargatedalek
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I'm not slow! That's just my moe!

well it could have been a full on double paired structure, but I think its pushing it and the "rectangle" is more likely
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CyborgIguana
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It's not totally impossible, Ichthyovenator has a split sail after all. But yeah, could be pushing it for Spinosaurus.
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stargatedalek
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I'm not slow! That's just my moe!

I meant more along the lines of a camels double hump, than an icthyovenator split ;)
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gatorguy
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Proud to be an American

Hey guys, i would love to know, did all ceratopsians have that occipital condyle like triceratops, like a ball and socket joint? Or did just Triceratops have it?

Thanks!
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CyborgIguana
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Can anyone provide me with some skeletal refs for Pachyrhinosaurus perotorum and Nanuqsaurus? I need them for a drawing I'm working on. Thanks in advance! :)
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kepperbob
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- Pure Shardana -

There is evidence of sivatherium's herding behaviour or it was a solitary animal like the okapi?
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BossAggron
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Formerly Dilophoraptor

Are there Texan specimens of Tyrannosaurus rex and if so could they hunt Alamosaurus (assuming Tyrannosaurus hunted in bands of 2 to 3 members)
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Furka
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Pretty sure Tyrannosaurus remains where found in Texas and definately in Utah, so they coexisted.
Not sure if it would go against the big sauropods tho.
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Posted Image Flish
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Tyrannosaur fossils have been found in Texas, but they are not known to be Tyrannosaurus specifically because they are too fragmentary. ;) I believe the same is true for the Utah specimen.
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Furka
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Could the cursorial crocs like Hallopus and Hoplosuchus be warm blooded animals ?
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Jules
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Mihi est imperare orbi universo

What was the size range of Spinosaurus teeth ? I wasn't able to find a convincing answer on google.
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Similis
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Furka
Sep 3 2014, 04:40 PM
Could the cursorial crocs like Hallopus and Hoplosuchus be warm blooded animals ?


Not unlikely. I don't recall any direct data on this, but I do think that the ancestry of crocodylomorphs is warm-blooded, so the trait wouldn't necessarily get lost in all clades.
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BossAggron
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Formerly Dilophoraptor

http://blogs.c.yimg.jp/res/blog-0e-c1/rboz_05/folder/1031809/17/34669717/img_2?1401895055

Is this Skeletal of a young T.horridus or a T.prorsus?
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