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| Extinct Animal Questions | |
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| Topic Started: Nov 26 2013, 10:24 PM (193,237 Views) | |
| Ulquiorra | Sep 21 2017, 01:48 PM Post #3856 |
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Two questions regarding Amphicyon, What was the largest species of Amphicyon? Was Amphicyon capable of standing bipedally, like a bear? |
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| Komodo | Sep 21 2017, 08:06 PM Post #3857 |
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Varanus komodoensis
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Amphicyon ingens is the largest AFAIK as it's recognized as such in most sources (others point to A. major instead). Not very sure if it was capable of standing on two feet, despite being plantigrade. Biomechanics is hardly my area, though, so I think someone else may answer that. |
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| 54godamora | Sep 23 2017, 07:53 PM Post #3858 |
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ok what is the fastest prehistoric animal on land? |
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| Acinonyx Jubatus | Sep 23 2017, 08:08 PM Post #3859 |
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I AM THE UNSHRINKWRAPPER!
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If I had to guess, I'd say Miracinonyx trumani. |
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| 54godamora | Sep 23 2017, 08:09 PM Post #3860 |
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what is its top speed? |
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| Fireplume | Sep 23 2017, 09:46 PM Post #3861 |
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Snok Snok Snerson
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"Prehistoric" is an awful large number of ambiguities... like... specify your question there dude. As for La Brean fauna found elswhere, you do realize that they were found over MASSIVE portions of North [and South for some] America? |
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| 54godamora | Sep 23 2017, 10:24 PM Post #3862 |
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when i mean prehistoric, i mean any prehistoric animal from the 3 main time periods: paleozoic, mesozoic, and cenozoic. the holocene does not count |
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| Acinonyx Jubatus | Sep 23 2017, 11:00 PM Post #3863 |
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I AM THE UNSHRINKWRAPPER!
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Probably a little less than a modern cheetah. |
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| BossAggron | Sep 25 2017, 03:56 PM Post #3864 |
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Formerly Dilophoraptor
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Eras* and that's still ~540 million years of animals to choose from. We can only guess speeds, and even then, are you asking on air speed or land speed, maybe even water speed. It would be better to narrow down that 540 million years into something more manageable. |
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| 54godamora | Sep 27 2017, 11:01 AM Post #3865 |
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I was asking because it relates to my story |
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| Fireplume | Sep 27 2017, 11:55 AM Post #3866 |
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Snok Snok Snerson
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Whatever it is asked for it's an incredibly arbitrary question, BUT you did specify terrestrial speed. I'm gonna have to disagree with Miracinonyx tbh, its proportions tell it was slower than Acinonyx, so I bet it'd be one of the Terror Birds [probably Phorusrhacos], I read that inferring from fossils they could run incredibly fast. Perhaps do some research there. |
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| Jannick | Sep 27 2017, 04:20 PM Post #3867 |
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Papua merdeka!
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I believe it was Mesembriornis that was considered to be the fastest member of the group, but I'm not sure if that hypothesis still stands. |
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Sep 27 2017, 08:43 PM Post #3868 |
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doubtful, even maximum speeds for Mesembriornis put it at only 56 miles per hour. Bipeds just aren't typically fast because they only have two limbs for propulsion rather than four. Even if Miracinonyx was not as fast as Acinonyx, it was still built for speed, and probably faster than 55 miles per hour since it was probably hunting pronghorn. |
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| Guilmon | Sep 27 2017, 09:00 PM Post #3869 |
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Rob Schneider herp de derp, rated PG-13!
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Could Megatherium outrun a human? |
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| stargatedalek | Sep 27 2017, 09:49 PM Post #3870 |
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I'm not slow! That's just my moe!
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Potentially, but certainly not for very long, most likely just a few paces (which is a few meters in this context). |
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