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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,372 Views)
Incinerox
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Āeksiot Zaldrīzoti

It's possible.

It's also possible that it's more than one direct cause.

Pangea was forming at the time, and given the size of the landmass, most of it probably dried out in the middle of the new super continent. The Siberian Traps may have altered the global climate to make the effect of that even worse.

I hear there may have been a meteorite impact at the time as well but I'm not entirely sure if that was a big one, if one happened at all.
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Posted Image Guat
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Where basal Troodontids mainly terrestrial?
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Incinerox
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Āeksiot Zaldrīzoti

In short: Yes.
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babehunter1324
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There's also the whole anoxic event and the expulsion of the methane stored at the oceans which affect both the marine and terrestrial envioriment, both if which were likely caused by the increase in global temperature and severaly worsen the conditions for all organisms worldwide.
Edited by babehunter1324, Aug 14 2015, 05:00 AM.
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Incinerox
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Āeksiot Zaldrīzoti

Oh yeah, that as well. I forgot about that.

The end of the Permian was just going through a particularly s*** time.
Edited by Incinerox, Aug 14 2015, 05:54 AM.
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andrew12
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what species of Troodon lived in Hell Creek? bakkeri or formosos?
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Trichechus
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Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn

andrew12
Aug 14 2015, 12:11 PM
what species of Troodon lived in Hell Creek? bakkeri or formosos?
Pectinodon ("Troodon bakkeri") was found in the Lance Formation, and indeterminate Troodon fossils have been found in Hell Creek.
Edited by Trichechus, Aug 14 2015, 12:29 PM.
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Why is Stygimoloch/Dracorex still considered as possibly a juvenile Pachycephalosaurus when we have (unpublished) material of juvenile Pachycephalosaurus smaller than Dracorex, and have for several years?
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BossMan, Jake
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Son of God

Flish
Aug 14 2015, 02:59 PM
Why is Stygimoloch/Dracorex still considered as possibly a juvenile Pachycephalosaurus when we have (unpublished) material of juvenile Pachycephalosaurus smaller than Dracorex, and have for several years?
Well first off the picture looks fake to me as I have never seen fossils that look like that.
But I guess people aren't ready to accept the facts yet kinda like how people refuse to believe dinosaurs were feathered.
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It's not just that picture, Robert Bakker also mentioned its existence back in 2008 when challenging Horner's theory on Pachycephalosaurus.
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Ignacio
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Ex Corrupt Staff

I really hope that Dracorex is not a juvenile Pachycephalosaurus, because i love that thing and i want it to stay it's own genus :P
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CyborgIguana
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I'm guessing it's because Horner just hates to admit he's wrong. :P
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BossMan, Jake
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CyborgIguana
Aug 14 2015, 05:49 PM
I'm guessing it's because Horner just hates to admit he's wrong. :P
While I find that the whole thing is funny is it possible that dracorex was a younger stygimoloch?
And while Horner has been wrong was his triceratops theory wrong as well?
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His Triceratops theory was wrong, yes. We have juvenile Torosaurus remains, which suggest they can't be the same animal.
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BossMan, Jake
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Flish
Aug 14 2015, 07:01 PM
His Triceratops theory was wrong, yes. We have juvenile Torosaurus remains, which suggest they can't be the same animal.
No not that the one he proposed in dinosaurs decoded
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