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| What annoys you about paleontology?; Rant on about moronic theories, complaints, or just animals that annoy you. | |
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| Topic Started: Sep 28 2013, 05:04 PM (256,213 Views) | |
| Paleop | Aug 3 2015, 12:14 PM Post #4306 |
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Paleopterix
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to be fair, hippos spend time on land (witch requires legs touching the ground)and aren't marine reptiles called mososaurs. also
how is that a problem? examples
Edited by Paleop, Aug 3 2015, 12:16 PM.
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| DinoBear | Aug 3 2015, 12:40 PM Post #4307 |
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Because you can see that real hippos have necks Spoiler: click to toggle And yes, some marine reptiles are called mosasaurs, but that is just one group out of many. |
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| Okeanos | Aug 3 2015, 01:09 PM Post #4308 |
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He wasn't asking 'Aren't marine reptiles called Mosasaurs?', but rather saying 'Hippos aren't marine reptiles called Mosasaurs'
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| Serpyderpy | Aug 3 2015, 01:56 PM Post #4309 |
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Ambassador of The Little Guys™
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Poor Velocidrome honestly looks starved, and he's not surrounded by his cronies. Friendly reminder that if you see any more that look similar in style, they'll be the various Bird Wyverns from the Monster Hunter series. I can see why, from an outsider's perspective, however, that it would look like a weird, malformed prehistoric beast. That thing does NOT look healthy by any means. |
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| BossAggron | Aug 3 2015, 02:25 PM Post #4310 |
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Formerly Dilophoraptor
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Mosasaurs looking like ichthyosaurs is kinda what happened in life as far as i can recall, We know that they had tail flukes and probably had a dorsal fin, though it might look more like a whale's dorsal fin being very tiny. |
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| DinoBear | Aug 3 2015, 02:40 PM Post #4311 |
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Mosasaurs are still very elongated animals, not the compact look later ichthyosaurs have. Dorsal fins, as far as I know, are completely unknown in mosasaurs. |
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| Paleop | Aug 3 2015, 04:01 PM Post #4312 |
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Paleopterix
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I wasn't being specific, I just meant "what's wrong with animals having hidden necks( especially marine life)?"
indeed
true but a whale like fin would be more likely than a ichthyosaurs' fin |
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| CyborgIguana | Aug 3 2015, 04:09 PM Post #4313 |
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Oh God, the second paragraph was my LIFE until just about last year or so. Those kids were probably just jealous of me because I was a teenager capable of pursuing my own independent interests instead of just being a mindless drone who follows the hive-mind of youth culture. Also, people who think T. rex and Tyrannosaurus were two different animals. Edited by CyborgIguana, Aug 3 2015, 04:10 PM.
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| Incinerox | Aug 3 2015, 04:18 PM Post #4314 |
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Āeksiot Zaldrīzoti
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Weeell... Bog Standard Dolphins: ![]() ![]() Southern Right Whale Dolphin: ![]() ![]() Platecarpus: ![]() Point of this is that dolphins, even the really slim ones without dorsal fins, have A LOT of soft tissue over their skeletons. What that Platecarpus skeleton shows is, not what the fossils actually fully indicated, but a more likely minimalist outline based off the fragments we got and the preserved posture of the spinal column (compared to the old school eel-lizards with the perfectly horizontal spinal columns and rather varanoid integument). |
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| CyborgIguana | Aug 3 2015, 04:21 PM Post #4315 |
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Isn't the varanoid integument based on the fact that we have mosasaur skin impressions (as well as the fact that they WERE varanoids)? It's also worth noting that reptiles in general (while not shrink-wrapped) still tend to differ from their skeletons a lot less than mammals do. Edited by CyborgIguana, Aug 3 2015, 04:26 PM.
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| Incinerox | Aug 3 2015, 05:06 PM Post #4316 |
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Āeksiot Zaldrīzoti
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Their skin was superficially shark like. Not knobbly like normal monitor skin. I also blame the fleshed out mammal condition on the fact that they rely a lot more on cartilage support (like for external ears and fleshy nostrils, for instance). They also have a lot more muscles that deal with things like facial expression, more mobile but weaker tails, and proportionally smaller ribcages and weaker spines (compare a cat with any similar sized sauropsid to see what I mean). Mammals are terribly constructed organisms, is what I'm saying. |
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| CyborgIguana | Aug 3 2015, 05:32 PM Post #4317 |
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Hate to disagree, but these scale impressions (from a Tylosaurus) look more lizard-like than shark-like to me:![]() EDIT: Unless you're referring to how they're keeled like shark skin. Edited by CyborgIguana, Aug 3 2015, 05:35 PM.
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| Yi Qi | Aug 3 2015, 06:38 PM Post #4318 |
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Not only keeled but rather diminute, to the point that they wouldn't be readily visible from a distance, like in a shark really. |
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| Incinerox | Aug 4 2015, 03:50 AM Post #4319 |
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Āeksiot Zaldrīzoti
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Precisely that. The scales of Platecarpus (referring to LACM 128319 for this) are barely millimetres across on a specimen that was about 4.3m/14ft, were keeled, and overlapped slightly too. And you'll also find that mosasaurs weren't anywhere near as wrinkly as any living monitor lizard. |
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| Anas Platyrhynchos | Aug 4 2015, 04:21 AM Post #4320 |
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The Quacky Canine
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![]() I think the picture says it all |
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| 3 users reading this topic (3 Guests and 0 Anonymous) | |
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