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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 (256,162 Views) | |
| Okeanos | Apr 9 2016, 05:34 AM Post #5071 |
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I'd definitely agree Majungasaurus has some of the strangest proportions I've seen on any dinosaur... barrel-chested, with tiny legs and tiny arms, it's a shame a lot of reconstructions just portray it with 'generic theropod proportions' |
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| Incinerox | Apr 9 2016, 07:21 AM Post #5072 |
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Āeksiot Zaldrīzoti
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Where the hell did you get that? Abelisaur jaws and teeth were flimsy. Flexible, but flimsy. They weren't crushing anything with their jaws. Very good at allosauroid-like vertical butchering, apparently. https://en.m.wikipedia.org/wiki/Carnotaurus#Jaw_function_and_diet |
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| BossMan, Jake | Apr 9 2016, 10:22 AM Post #5073 |
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Son of God
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That would make more sense, those teeth were rather small and were by no means bone crushers, allosaurus like bite marks would be far better with those teeth |
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| PrimevalBrony | Apr 9 2016, 12:54 PM Post #5074 |
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Youtuber. Combat robotics fan
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I was meaning that due to the flexibility they could hold prey easily, as they could grip prey that was almost dead. Think about it, they bite into the soft part of a saltasaurid then slowly rip back, pretty much torturing the poor thing |
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| Acinonyx Jubatus | Apr 9 2016, 05:04 PM Post #5075 |
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I AM THE UNSHRINKWRAPPER!
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I don't know about that. Everything I've read on Abelisaurid tooth and jaw mechanics implies they were pretty much just like all other ziphodont theropods. And I fail to see the connection between a flexible jaw and better gripping than other theropods. "slowly rip back?" Excuse me, what? Wouldn't quick, violent motions be much more efficient? In all honesty, almost everything I find strange about Abelisaurids is in their postcranial anatomy. The heads are funny-looking, but not- as far as I know- especially adapted for doing weird things. |
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| Mathius Tyra | Apr 9 2016, 08:24 PM Post #5076 |
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Rat snake is love... Rat snake is life
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What I heard about Carno's teeth and jaws is that they just use only the upper one to smack the heaven out of tiny prey it chase after and apparently, doesn't use lower jaw at all... Kinda similar to Allosaurus's strategy but smaller prey instead. And rugops is more likely use its jaw only to strip flesh from carcass but probably use to hunt small animal it comes across as well. Not sure about some guy that singly live alongside sauropod like Majunga though. Edited by Mathius Tyra, Apr 9 2016, 08:27 PM.
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| CyborgIguana | Apr 9 2016, 08:49 PM Post #5077 |
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T. rex is in fact a much more bizarre and unusual animal than most people give it credit for, the fact that it's the most well-known theropod to the public is irrelevant. In fact the ACTUAL T. rex isn't even all that well-known, its pop-culture caricature is (same with Spinosaurus and Velociraptor). Edited by CyborgIguana, Apr 9 2016, 08:50 PM.
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| TheNotFakeDK | Apr 9 2016, 09:06 PM Post #5078 |
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200% Authentic
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Given the thread, I suppose it's worth saying that 'Rugops the scavenger' is a small pet peeve of mine. As far as I can tell, there haven't been any biomechanical studies done on the skull and teeth to confirm this and the whole idea seems to come from a comment Sereno made after it was described: "It's not the kind of head designed for fighting or bone-crushing. This may have been a scavenger with head gear." Personally, I don't think the skull of Rugops looks particularly weaker or flimsier compared to other abelisaurs, and if we don't cast them as 'weak scavengers' why should we do it to Rugops? |
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| Stan The Man | Apr 9 2016, 09:51 PM Post #5079 |
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Honorary Party Member
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I suspect it has something to do with the megapredators Rugops shared its environment with. |
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| PrimevalBrony | Apr 10 2016, 05:58 AM Post #5080 |
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Youtuber. Combat robotics fan
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I don't believe that Rugops was a scavenger to be honest. Well, not a pure scavenger, but still a scavenger since no predator would pass on a free carcass. Looking at the fauna of the various formations (namely Eckhar and Kem Kem) makes me believe that the food web would work with Carcharodontosaurus and Sauroniops as the top dogs, Deltadromeus as the main middle predator, and Rugops could possibly be in this same category, not hunting full-sized Paralititans or Aegyptosaurus, but rather the younger and smaller members of those sauropods. In fact, Rugops could play the same role as Skorpiovenator at Auca Mahuevo; feasting on the baby sauropods that hatch out. In fact, this is how I imagine many of these Cenomanian abelisaurs were, the baby hunters. It would be when carnosaurs and spinosaurs died out that they became top dogs |
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| Furka | Apr 10 2016, 06:03 AM Post #5081 |
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That happeed earler actually, EkrixiwhateverI'llneverspellthisnameright was contemporary with the south american giant carnosaurs IIRC |
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| PrimevalBrony | Apr 10 2016, 07:08 AM Post #5082 |
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Youtuber. Combat robotics fan
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Ah he was. Lived alongside Giganotosaurus. |
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| Denomon3144 | Apr 10 2016, 12:53 PM Post #5083 |
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Pick a god and pray!
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| PrimevalBrony | Apr 10 2016, 01:19 PM Post #5084 |
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Youtuber. Combat robotics fan
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I facepalmed irl at that stupidity. |
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| CyborgIguana | Apr 10 2016, 04:57 PM Post #5085 |
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Someone tell this guy about Dakotaraptor and its quill knobs. I like how a lot of people think "majoring in biology" automatically makes them an authority figure on any subject in the field. |
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