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| Favorite Dinosaur Reconstructions | |
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| Topic Started: Sep 28 2013, 09:05 PM (305,650 Views) | |
| Acinonyx Jubatus | Feb 15 2015, 06:00 PM Post #1621 |
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I AM THE UNSHRINKWRAPPER!
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Pterosaurs are archosaurs, yet they had soft eggshells. And if it's still impossible, would Ovoviviparity be plausible? Retaining the hard eggshell, but keeping it within the body until it hatches? That being said, I'm no supporter of Spinosaurus being viviparous. I rather like the idea that it slid on its belly, like a loon or grebe, with its arms tucked up under its torso. On topic...
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| Yi Qi | Feb 15 2015, 06:37 PM Post #1622 |
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They'd still need the calcium from the eggshells for embriological development, look it up, again, im no archosaur embriologist so i can't really explain it, however there are many papers concerning the subject. And IIRC ovoviviparity isn't feasible either, AFAIK either heliosphoros or someone else already explained it somewhere in this forum. |
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| Furka | Feb 16 2015, 06:48 AM Post #1623 |
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| Mathius Tyra | Feb 16 2015, 07:11 AM Post #1624 |
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Rat snake is love... Rat snake is life
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Wait... There is something lying on the ground behind them as well... |
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Feb 16 2015, 07:19 AM Post #1625 |
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A second tyrannosaur I suppose.
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| Even | Feb 16 2015, 07:38 AM Post #1626 |
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@Tyra: that's a felled theropod I think, seemingly another Tarbosaurus Regarding the Spinosaurus stuff: I can see only two ways to go, with our knowledge of orionidan hand anatomy and archosaurian constraints: either Spinosaurus are fully aquatic except for dredging themselves out to shore to lay their eggs, or Spinosaurus developed whatever musculoskeletal mechanism which allows cranes and other such birds to keep their necks erect... |
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| babehunter1324 | Feb 16 2015, 08:28 AM Post #1627 |
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I honestly had my doubts about large marine "crocodiles" like Plesiosuchus beign able to leave the water in order to lay eggs... That say I think Spinosaurus was oviparous let's not forget that it's hip bone was further reduced compared to other theropods... Edited by babehunter1324, Feb 16 2015, 08:30 AM.
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| Furka | Feb 16 2015, 09:00 AM Post #1628 |
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Folks, remember that we Have a Spinosaurus speculation topic
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| Luca9108 | Feb 16 2015, 09:19 AM Post #1629 |
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Master of Dinosaurs
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| Jon Sam | Feb 17 2015, 08:03 AM Post #1630 |
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| CyborgIguana | Feb 17 2015, 09:17 AM Post #1631 |
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I like it, though it doesn't have NEARLY enough feathers.
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| Okeanos | Feb 17 2015, 09:24 AM Post #1632 |
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^^Like CI said, not enough feathers, but damn that background is awesome :O |
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| Luca9108 | Feb 17 2015, 03:08 PM Post #1633 |
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Master of Dinosaurs
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| Furka | Feb 18 2015, 04:12 AM Post #1634 |
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Finally a quadrupedal Spino that isn't skinny. |
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| Luca9108 | Feb 18 2015, 09:51 AM Post #1635 |
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Master of Dinosaurs
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