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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,409 Views)
CyborgIguana
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And also Lance I think. But yeah, strictly late Maastrichtian in any case.
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Incinerox
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Āeksiot Zaldrīzoti

Lance and Hell Creek were likely connected. They share most of their species. So do at least another half dozen formations along that strip of 'Murica.
Edited by Incinerox, Mar 25 2015, 12:23 AM.
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Joe99
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what is the largest extinct freshwater fish
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Incinerox
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Āeksiot Zaldrīzoti

Mawsonia comes to mind.

Freshwater coelacanth the size of an Asian elephant, and probably heavier.
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CyborgIguana
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It's probably the heaviest, but wasn't Onchopristis longer?
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Acinonyx Jubatus
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I AM THE UNSHRINKWRAPPER!

Exactly what part of the head region did the Estemmenosuchus skin impressions come from? Does anyone have a picture of the fossil?
Edited by Acinonyx Jubatus, Apr 2 2015, 11:14 AM.
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Slothy Dude
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The Happy Xenarthran.

What range of colors could feathers be?
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Posted Image Guat
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Here's some questions:

1. Would a really desperate Smilodon realistically encounter Sea Lions in the wild and try to hunt them? If so then could the Smilodon succeed in hunting the Sea Lions?

2. Could a Protoceratopsid or a Leptoceratopsid realistically have quills, something like Psittacosaurus? And if that is possible could they have the quills cover their body like a Porcupine's? Or would be boar-like bristles be more plausible?
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BossAggron
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Formerly Dilophoraptor

sloth dude
Apr 2 2015, 02:12 PM
What range of colors could feathers be?
Depends on the Feather. I'm not exactly sure, Put earlier feathers would have mostly Dull, Earthy colours, the farther up in Feather evolution the wider the range can get.
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Incinerox
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Āeksiot Zaldrīzoti

To be fair, structures that resulted in iridescence were already present in dromaeosaurids (Microraptor). And in terms of actual pigments, we're still only able to detect melanosomes. Carotenoids are still beyond our reach yet, and that's what causes most of the vivid colours in modern birds.
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Paleop
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Paleopterix

I has lots of questions c:

1.what are some cretaceous marine reptiles?
2.what specifically killed off the marine reptiles when the asteroid struck?
2.were their skin scaly? or smooth?

3. I'm low on inspiration for dinos to draw, any ideas on what would be fun, challenging, bizarre or beautiful dinos to draw? edit: oh and any that you guys might want me to draw :) )

thank you :)
Edited by Paleop, Apr 2 2015, 08:27 PM.
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Posted Image Guat
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AVCDPS
Apr 2 2015, 04:40 PM
Here's some questions:

1. Would a really desperate Smilodon realistically encounter Sea Lions in the wild and try to hunt them? If so then could the Smilodon succeed in hunting the Sea Lions?

2. Could a Protoceratopsid or a Leptoceratopsid realistically have quills, something like Psittacosaurus? And if that is possible could they have the quills cover their body like a Porcupine's? Or would be boar-like bristles be more plausible?
Could someone answer my questions please.
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Mathius Tyra
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Rat snake is love... Rat snake is life

AVCDPS
Apr 2 2015, 08:31 PM
AVCDPS
Apr 2 2015, 04:40 PM
Here's some questions:

1. Would a really desperate Smilodon realistically encounter Sea Lions in the wild and try to hunt them? If so then could the Smilodon succeed in hunting the Sea Lions?

2. Could a Protoceratopsid or a Leptoceratopsid realistically have quills, something like Psittacosaurus? And if that is possible could they have the quills cover their body like a Porcupine's? Or would be boar-like bristles be more plausible?
Could someone answer my questions please.
For the first question, probably yes, considering that sea lions are slow and sluggish on land and the cat is good at wrestle down strong prey. I doubt Smilodon would miss a chance to get an easy meal.


Still, I am not sure that both of them coexist in any places...
Edited by Mathius Tyra, Apr 2 2015, 09:41 PM.
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CyborgIguana
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Well, Smilodon is one of the many species found in the La Brea tar pits. Keep in mind that Los Angeles is right along the coast of the Pacific Ocean. :P
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Well I know that LA is right by the Pacific Coast but I don't know if Smilodon will go onto the beach to find food.
Edited by Guat, Apr 2 2015, 10:13 PM.
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