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| Extinct Animal Questions | |
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| Topic Started: Nov 26 2013, 10:24 PM (193,238 Views) | |
| Acinonyx Jubatus | Sep 1 2017, 04:47 PM Post #3841 |
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How were the legs of Dicynodonts (Lystrosaurus in particular) positioned? Sprawling, semi-sprawling,or erect?
Edited by Acinonyx Jubatus, Sep 3 2017, 06:11 PM.
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| heliosphoros | Sep 10 2017, 01:35 PM Post #3842 |
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Depends on who you ask in regards to sprawling posture in general, but they're usually considered to have more abducted forelimbs and more erect hindlimbs. |
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| Acinonyx Jubatus | Sep 10 2017, 08:31 PM Post #3843 |
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Ok, thanks. And also, what were the exact sizes of the Triassic species? Everything I can find is conflicting. |
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| Incinerox | Sep 11 2017, 11:02 AM Post #3844 |
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For Lystrosaurus? Well your problem there is that there's about 20+ species of Lystrosaurus anyway. There's considerable size variation among them. |
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| Acinonyx Jubatus | Sep 11 2017, 12:39 PM Post #3845 |
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I know, I'm just focusing on the two most common Triassic species, which are L. declivis and L. murrayi. |
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| Incinerox | Sep 11 2017, 05:59 PM Post #3846 |
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Well here's something for L. murrayi: Here's a paper with size comparisons between skulls: http://journals.co.za/docserver/fulltext/nfi_annalstm/36/29/63.pdf?expires=1505167967&id=id&accname=guest&checksum=ADC58160CF24F3374E73326E9425AD46 Might give you a means of estimating L. declivis size. |
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| Acinonyx Jubatus | Sep 11 2017, 07:06 PM Post #3847 |
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So I find L. declivis is only marginally larger than that estimate of L. murrayi. That would mean the Walking With Monsters episode made their Lystrosaurus too big, right? |
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| Incinerox | Sep 11 2017, 07:11 PM Post #3848 |
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N...no... L. declivis is like, 1.6 times the size of L. murrayi based on those skulls in the paper... My calculations bring L. declivis to around about 1m. Edited by Incinerox, Sep 11 2017, 07:13 PM.
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| Acinonyx Jubatus | Sep 12 2017, 01:31 PM Post #3849 |
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OK, I was going off of this because I couldn't access any of the images in the paper. That's good to know. Thank you.
Edited by Acinonyx Jubatus, Sep 12 2017, 01:33 PM.
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| heliosphoros | Sep 12 2017, 02:33 PM Post #3850 |
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Also kind of interesting in regards to the posture, it's kind of the opposite than in early mammals, where the forelimbs tend to be more erect than the hindlimbs |
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| 54godamora | Sep 12 2017, 02:38 PM Post #3851 |
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Ok what are some large land bound non dinosaur Triassic predators? |
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| Acinonyx Jubatus | Sep 12 2017, 02:57 PM Post #3852 |
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Erythrosuchids such as Garjainia and Erythrosuchus, Rauisuchians such as Fasolasuchus, Saurosuchus, and Polonosuchus, Cynodonts like Cynognathus. |
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| 54godamora | Sep 12 2017, 10:56 PM Post #3853 |
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Ok are there any that weigh over 100lbs |
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| Acinonyx Jubatus | Sep 13 2017, 12:49 AM Post #3854 |
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Most of the Rauisuchian predators, probably the Erythrosuchids too. I'm afraid I don't have exact weight values for you.
Edited by Acinonyx Jubatus, Sep 13 2017, 12:49 AM.
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| BossMan, Jake | Sep 13 2017, 02:36 PM Post #3855 |
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Son of God
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Some questions regarding the Ice Age of North America What was the furthest range of the ice and snow in the western half of North America? Would the animals found in the La Brea Tar Pits be found more northerly? Like say Montana? Would animals like Smilodon, Ground Sloths, Arctodus, and the Dire Wolf for example survive in more snowy environments? |
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