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| Rib-gliding | |
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| Topic Started: Nov 5 2009, 07:40 PM (1,063 Views) | |
| Holben | Nov 8 2009, 07:12 AM Post #16 |
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Rumbo a la Victoria
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They should really make new submission and editing rules on there. |
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Time flows like a river. Which is to say, downhill. We can tell this because everything is going downhill rapidly. It would seem prudent to be somewhere else when we reach the sea. "It is the old wound my king. It has never healed." | |
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| Paul_de_Vries | Nov 8 2009, 06:57 PM Post #17 |
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Newborn
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Oh I meant a reference for me so I could check it out (A) |
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| Carlos | Nov 9 2009, 03:09 AM Post #18 |
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Adveho in me Lucifero
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http://www.chennaimuseum.org/draft/gallery/06/04/images/cobskal1.gif |
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Lemuria: http://s1.zetaboards.com/Conceptual_Evolution/topic/5724950/ Terra Alternativa: http://s1.zetaboards.com/Conceptual_Evolution/forum/460637/ My Patreon: https://www.patreon.com/Carliro ![]() | |
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| The Dodo | Nov 9 2009, 03:48 AM Post #19 |
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Prime Specimen
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Looks even stranger as a skeleton. |
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| Holben | Nov 10 2009, 02:15 PM Post #20 |
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Rumbo a la Victoria
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How do the ribs look when the hood is down? |
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Time flows like a river. Which is to say, downhill. We can tell this because everything is going downhill rapidly. It would seem prudent to be somewhere else when we reach the sea. "It is the old wound my king. It has never healed." | |
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| Carlos | Nov 10 2009, 04:31 PM Post #21 |
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Adveho in me Lucifero
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They are retracted to the sides, much like those of Draco lizards |
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Lemuria: http://s1.zetaboards.com/Conceptual_Evolution/topic/5724950/ Terra Alternativa: http://s1.zetaboards.com/Conceptual_Evolution/forum/460637/ My Patreon: https://www.patreon.com/Carliro ![]() | |
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| Paul_de_Vries | Nov 10 2009, 04:56 PM Post #22 |
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Newborn
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wow another one. A diapsid (not a lepidosauramorph) Mecistotrachelos. http://en.wikipedia.org/wiki/Mecistotrachelos Right now it seems like the scientists are having trouble classifying it, so it might turn out not to have evolved independantly after all. Apart from being highly advantageous, rib gliding must be extremely easilly genetically unlockable in diapsids for it to turn up THIS often. |
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| Carlos | Nov 10 2009, 05:36 PM Post #23 |
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Adveho in me Lucifero
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If I were a fundamentalist christian I would say the reptiles pray to Satan to give them wings. But I'm not, so... |
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Lemuria: http://s1.zetaboards.com/Conceptual_Evolution/topic/5724950/ Terra Alternativa: http://s1.zetaboards.com/Conceptual_Evolution/forum/460637/ My Patreon: https://www.patreon.com/Carliro ![]() | |
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| Paul_de_Vries | Nov 10 2009, 05:46 PM Post #24 |
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Newborn
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And theres even another one; Weigeltisaurus, but I cant seem to find out what group it belongs to (i.e. did it also evolve independently). edit: nevermind. It belongs to an already mentioned group. Just a thought. Are there significant selective pressure for gliders to become flyers? My thoughts are; gliding does the job in avoiding predators, catching small (insects) prey. Maybe if the predators to avoid are also gliders, and arms race could provide the necesarry spark. Edited by Paul_de_Vries, Nov 10 2009, 05:47 PM.
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| Carlos | Nov 10 2009, 06:35 PM Post #25 |
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Adveho in me Lucifero
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I suppose. Given the amount of times gliding evolved, flight is not the necessary product, but when it occurs I believe is purely by chance. Birds and bats could have evolved flight by predation (after all, thanks to Darwinopterus we know pterosaurs did produced aerial vertebrate predators, while predatory birds were already present when bats evolved; I'd like to debate the possibility of the supposed late Cretaceous volaticotheres having been volant, but I think its unnecessary now), but pterosaurs would have had a bad time escaping from something that didn't exist |
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Lemuria: http://s1.zetaboards.com/Conceptual_Evolution/topic/5724950/ Terra Alternativa: http://s1.zetaboards.com/Conceptual_Evolution/forum/460637/ My Patreon: https://www.patreon.com/Carliro ![]() | |
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| Paul_de_Vries | Nov 10 2009, 06:53 PM Post #26 |
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Newborn
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Sorry to change the topic but when you say you hate Barney... you dont mean Barney Stinsen do you? :O |
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| Carlos | Nov 10 2009, 07:01 PM Post #27 |
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Adveho in me Lucifero
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No, I hate a purple dinosaur. I thought you'd pressure me to debate on volaticotheres. My, you disapoint me |
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Lemuria: http://s1.zetaboards.com/Conceptual_Evolution/topic/5724950/ Terra Alternativa: http://s1.zetaboards.com/Conceptual_Evolution/forum/460637/ My Patreon: https://www.patreon.com/Carliro ![]() | |
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| Paul_de_Vries | Nov 10 2009, 07:07 PM Post #28 |
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Newborn
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First I gotta cook, and then I gotta figure out what volaticotheres actually are... zoology is relatively new to me
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| The Dodo | Nov 11 2009, 03:06 AM Post #29 |
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Prime Specimen
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Well I typed volaticotheres up on Google to find out more about them and the first thing that came up was the WIW. |
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| Carlos | Nov 11 2009, 09:08 AM Post #30 |
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Adveho in me Lucifero
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That is weird. But understandable, since after Spec we were the first to attempt to use Volaticotheria besides a neat little fossil from China |
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Lemuria: http://s1.zetaboards.com/Conceptual_Evolution/topic/5724950/ Terra Alternativa: http://s1.zetaboards.com/Conceptual_Evolution/forum/460637/ My Patreon: https://www.patreon.com/Carliro ![]() | |
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3:29 AM Jul 11