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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,487 Views)
CyborgIguana
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izzibob
Feb 9 2014, 03:07 AM
ok paleo nerds, I has question. When I was younger, I loved dinosaurs. As the years went by I was less and less interested, until I practically stopped caring altogether. but then I came to trt. And suddenly, I see triceratops with FREAKING SPINES IN IT'S BACK. may I ask why/how/what/who/WAI? thanks xD
We now think it was partially carnivorous as well. Sweet dreams! >:)
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DinoBear
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Has skull material from Quetzalcoatlus northropi been found yet? I know of skull material from the smaller species, but not from the larger one.
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CyborgIguana
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I don't think so, but we can assume that the full animal was similar in proportions to its smaller cousin (speaking of which, has it ever been suggested that Quetzalcoatlus sp. was simply a juvenile Quetzalcoatlus northropi?)
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Admiral General Aladeen
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Was mosasaurus a particularly fast swimmer? Or did it just kind of cruise around and only use its speed when hunting?
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Furka
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I think that would depend on its body shape; if it was fish-shaped like Platecarpus, then I'd say it moved pretty fast even at normal speed.
However modern day pelagic predators like tunas and marlins usually travel at lower speed when cruising than when they hunt.

Do we know if Ornithomimids actually had tail fans like they are sometimes depicted, or are they just speculative ?
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Similis
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Tail fans in Ornithomimosauria are speculative. We know they had fully developed pennibrachia when adult (juveniles, much like chicks in modern day birds, didn't have developed 'proto-wings') on their arms (at least on forearm and hand, not sure about the upper arm). We do know they had feathers on the neck and the body. The amount of feathers on the tail is speculative, it could've been anything between simple, hanging feathers to paravian-like tails.
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CyborgIguana
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CyborgIguana
Feb 10 2014, 11:25 PM
Has it ever been suggested that Quetzalcoatlus sp. was simply a juvenile Quetzalcoatlus northropi?
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Even
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That's the first thing that came to the discoverers' minds when they found them, and it might be the reality... The last analysis made on them confirmed that they are either the same species, or very closely related..
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benjasaurus1
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Why did odobenocetops had 2 horns with 1 that was like double the size ?
In walking with dinosaurs specials they said it was for fighting is that true?
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Furka
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Given how they were positioned and the fact they were actually teeth, I highly doubt that. They were more likely used for display purposes.
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benjasaurus1
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Yeah i tought how on earth can they fight with those things in that weird position.
Hmm teeth huh that's pretty interesting
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Furka
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Yeah, they were teeth just like those of narwhals and walruses.
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benjasaurus1
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I knew that the theeth of the walrus but i didn't knew that the narwhale it's horn was a teeth , well you learn something every day :)
Also is the adobenocetops related to the narwhale ?
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Furka
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According to Wikipedia (at least the Italian one) it is more related to narwhals and belugas than bottlenose dolphins and similar species.
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benjasaurus1
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Just like i tought :)
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