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| Spinosaurus aegyptiacus v Tyrannosaurus rex | |
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| Tweet Topic Started: Jan 7 2012, 02:16 AM (459,097 Views) | |
| Wolf Eagle | Jan 7 2012, 02:16 AM Post #1 |
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M E G A P H Y S E T E R
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Tyrannosaurus rex Tyrannosaurus is a genus of coelurosaurian theropod dinosaur. The species Tyrannosaurus rex (rex meaning "king" in Latin), commonly abbreviated to T. rex, is a fixture in popular culture. It lived throughout what is now western North America, with a much wider range than other tyrannosaurids. Fossils are found in a variety of rock formations dating to the Maastrichtian age of the upper Cretaceous Period, 67 to 65.5 million years ago.[1] It was among the last non-avian dinosaurs to exist before the Cretaceous–Paleogene extinction event. Like other tyrannosaurids, Tyrannosaurus was a bipedal carnivore with a massive skull balanced by a long, heavy tail. Relative to the large and powerful hindlimbs, Tyrannosaurus forelimbs were small, though unusually powerful for their size, and bore two clawed digits. Although other theropods rivaled or exceeded Tyrannosaurus rex in size, it was the largest known tyrannosaurid and one of the largest known land predators. By far the largest carnivore in its environment, Tyrannosaurus rex may have been an apex predator, preying upon hadrosaurs and ceratopsians, although some experts have suggested it was primarily a scavenger. The debate over Tyrannosaurus as apex predator or scavenger is among the longest running in paleontology. Tyrannosaurus rex was one of the largest land carnivores of all time; the largest complete specimen, FMNH PR2081 ("Sue"), measured 12.8 metres (42 ft) long, and was 4.0 metres (13.1 ft) tall at the hips. Mass estimates have varied widely over the years, from more than 7.2 metric tons (7.9 short tons), to less than 4.5 metric tons (5.0 short tons), with most modern estimates ranging between 5.4 and 6.8 metric tons (6.0 and 7.5 short tons). Packard et al. (2009) tested dinosaur mass estimation procedures on elephants and concluded that dinosaur estimations are flawed and produce over-estimations; thus, the weight of Tyrannosaurus could be much less than usually estimated. Other estimations have concluded that the largest known Tyrannosaurus specimens had a weight exceeding 9 tonnes. ![]() Spinosaurus aegyptiacus Spinosaurus is a genus of theropod dinosaur which lived in what is now North Africa, from the lower Albian to lower Cenomanian stages of the Cretaceous period, about 112 to 97 million years ago. Spinosaurus may be the largest of all known carnivorous dinosaurs, even larger than Tyrannosaurus and Giganotosaurus. Estimates published in 2005 and 2007 suggest that it was 12.6 to 18 metres (41 to 59 ft) in length and 7 to 20.9 tonnes (7.7 to 23.0 short tons) in weight. The skull of Spinosaurus was long and narrow like that of a modern crocodilian. Spinosaurus is thought to have eaten fish; evidence suggests that it lived both on land and in water like a modern crocodilian. The distinctive spines of Spinosaurus, which were long extensions of the vertebrae, grew to at least 1.65 meters (5.4 ft) long and were likely to have had skin connecting them, forming a sail-like structure, although some authors have suggested that the spines were covered in fat and formed a hump. Multiple functions have been put forward for this structure, including thermoregulation and display. Dal Sasso et al. (2005) assumed that Spinosaurus and Suchomimus had the same body proportions in relation to their skull lengths, and thereby calculated that Spinosaurus was 16 to 18 meters (52 to 59 ft) in length and 7 to 9 tonnes (7.7 to 9.9 short tons) in weight. The Dal Sasso et al. estimates were criticized because the skull length estimate was uncertain, and (assuming that body mass increases as the cube of body length) scaling Suchomimus which was 11 meters (36 ft) long and 3.8 tonnes (4.2 short tons) in mass to the range of estimated lengths of Spinosaurus would produce an estimated body mass of 11.7 to 16.7 tonnes (12.9 to 18.4 short tons).
Edited by Taipan, Apr 24 2015, 10:10 PM.
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| Thalassophoneus | Nov 8 2015, 05:50 AM Post #4261 |
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Pelagic Killer
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I can't remember any question of you I didn't answer. I guess I did but you didn't see it or you didn't consider the answer to be good. Anyway, I believe that Spinosaurus keeps its reputation as a dangerous hunter, but prefered to live in water and hunt fish. But this doesn't mean it couldn't kill a dinosaur. It could. |
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| FishFossil | Nov 8 2015, 05:53 AM Post #4262 |
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Herbivore
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Which are things we ALL AGREED ON WHEN WE STARTED THIS! Which means this ten page debate is you trying to convince us of something we ALREADY BELIEVE! (facepalm) |
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| Thalassophoneus | Nov 8 2015, 05:54 AM Post #4263 |
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Pelagic Killer
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So here is what I believe. Spinosaurus could walk and run for a little, but slower than other theropods like Tyrannsoaurus. Spinsoaurus was up to 18 m. long (many sources say up to 15 m. which is long to 18 m., while Ibrahim wasn't opposed to Del Sasso's 18 m. estimation). Spinosaurus had strong jaws, with a force of at lest 8.000 N (not as strong as a creature of its size should but still strong). Spinosaurus and Tyrannsoaurus are equal in size so who wins is controversial. Tyrannosauru's extra bite force doesn't really matter cause Spinosaurus can still kill Tyrannsoaurus if it bites a vital part of its body. I love Spinosaurus. And now if you excuse me, I have a movie to watch. |
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| Spartan | Nov 8 2015, 06:00 AM Post #4264 |
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Kleptoparasite
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"and because of that I want it to win and don't care what reality and evidence suggests" Yup, that sums it up pretty well. Edited by Spartan, Nov 8 2015, 06:01 AM.
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| DarkGricer | Nov 8 2015, 06:17 AM Post #4265 |
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Omnivore
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Yes it was bulkier. I don't see how that matters. It's also several dozen feet larger then any scientifically accurate Spinosaurus, and the Mosasaurus and the Giganotosaurus in the game are both over 100 feet long. Hint: Don't use it as a remotely serious source. Compare those arms to the legs. The same legs that have led to the conclusion that Spinosaurus was quite clumsy on land. Sure, they might be able to handle it while standing still. But while running like ARK's Dog-Spino, they would not hold up. |
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| Thalassophoneus | Nov 8 2015, 06:56 AM Post #4266 |
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Pelagic Killer
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The reality that the bite force of Tyrannosaurus matters, cause it can crunch its opponents bones after killing it, and that it was a little more agile on land. I was sure you were going to throw this into my face. |
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| Ausar | Nov 8 2015, 07:19 AM Post #4267 |
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Xi-miqa-can! Xi-miqa-can! Xi-miqa-can!
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You know what? Fine. I have a car ride to endure, and planning to watch a movie of my own. |
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| DarkGricer | Nov 8 2015, 07:29 AM Post #4268 |
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Omnivore
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Which deals more damage, an axe swung with just enough force to fracture bone, or an axe swung with enough force to break the bone? |
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| Thalassophoneus | Nov 8 2015, 07:36 AM Post #4269 |
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Pelagic Killer
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What is more damaging? Having your skull cracked open or having your neck's skin torn off? It depends on what part of Tyrannsoaurus does Spinosaurus bite of. And it also depends on which one of the two will manage to bite the other first. Where do you guys think I'm wrong? Tell me all the points where I'm wrong. Let me give you a similar example. Chuck Norris is much stronger than me (if I'm not wrong). If Chuck Norris tries to choke you you are gonna die. If I try to choke you you are gonna die. (Don't worry. I do not have any intention to choke you. )So I don't need to be Chuck Norris to choke you. Edited by Thalassophoneus, Nov 8 2015, 07:47 AM.
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| Spartan | Nov 8 2015, 07:48 AM Post #4270 |
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Kleptoparasite
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You mean for the 20th time? Nah. |
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| Thalassophoneus | Nov 8 2015, 07:49 AM Post #4271 |
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Pelagic Killer
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Yes. Yes. "For the 20th time". Tell me all the mistakes I have done. https://www.ted.com/talks/nizar_ibrahim_how_we_unearthed_the_spinosaurus#t-202026 Did Ibrahim just say that the found Spinosaurus bones in Morocco? "It's bigger than T-Rex" he said! This is for all those who say that Spinosaurus wasn't 18 m. Why wasn't it 18 m.? "Dense bone" he said! This is also something! Who was that guy who told me that Ouranosaurus was in Niger while Spinosaurus was in Egypt? Edited by Thalassophoneus, Nov 8 2015, 08:14 AM.
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| Spartan | Nov 8 2015, 08:14 AM Post #4272 |
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Kleptoparasite
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Every giant theropod is often said to be "bigger than T. rex" since it draws attention, still Sue remains the largest known individual predatory dinosaur. You realize that the video is a year old, right? |
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| Thalassophoneus | Nov 8 2015, 08:18 AM Post #4273 |
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Pelagic Killer
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So what? Now Ibrahim isn't correct either? We agree that Spinosaurus was quadrupedal cause this way it's not agile on land but if Ibrahim says it was bigger than T-Rex then he is a faeceshole and he should kill himself? Yes, it's one year old. So? The next findings regarding Spinsoaurus might come out tomorrow or in like 10 or 20 years. I don't think he reffered to its weight. I believe that he reffered to its overall appearance. Spinosaurus looked larger and more magnificent than T-Rex. It was definitely more magnificent. With that tail and those forelimbs and this sail. Edited by Thalassophoneus, Nov 8 2015, 08:19 AM.
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| FishFossil | Nov 8 2015, 08:22 AM Post #4274 |
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Herbivore
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Can't believe I'm replying again, but I must.
That was Spinodontosaurus, and he is still correct. Ouranosaurus is known from the Aptian, and Spinosaurus is known from the Albian-Cenomanian of the Cretaceous. They may have overlapped geographically, but there was still a fair few million years separating the lifespans of their respective species existence. |
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| Spartan | Nov 8 2015, 08:22 AM Post #4275 |
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Kleptoparasite
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No, we don't. Another example of you being ignorant and/or lacking reading comprehension.
Do you suffer from autism or something? Edited by Spartan, Nov 8 2015, 08:23 AM.
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