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| Giganotosaurus carolinii v Tyrannosaurus rex | |
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| Tweet Topic Started: Jan 31 2012, 05:48 PM (110,318 Views) | |
| Taipan | Jan 31 2012, 05:48 PM Post #1 |
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Giganotosaurus carolinii Giganotosaurus ("giant southern lizard"), was a carcharodontosaurid dinosaur that lived 93 to 89 million years ago during the Turonian stage of the Late Cretaceous period. It is one of the longest known terrestrial carnivores, bigger than Tyrannosaurus, but in length and weight, smaller than Spinosaurus. Although longer than T. rex, G. carolinii was lighter and had a much smaller braincase that was the size and shape of a banana. A well-developed olfactory region means it probably had a good sense of smell. Titanosaur fossils have been recovered near the remains of Giganotosaurus, leading to speculation that these carnivores may have preyed on the giant herbivores. Fossils of related carcharodontosaurid fossils grouped closely together may indicate pack hunting, a behavior that could possibly extend to Giganotosaurus itself. he holotype specimen's (MUCPv-Ch1) skeleton was about 70% complete and included parts of the skull, a lower jaw, pelvis, hindlimbs and most of the backbone. The premaxillae, jugals, quadratojugals, the back of the lower jaws and the forelimbs are missing. Various estimates find that it measured somewhere between 12.2 and 13 m (40 and 43 ft) in length, and between 6.5 and 13.3 tons in weight. A second, more fragmentary, specimen (MUCPv-95) has also been identified, found in 1987 by Jorge Calvo. It is only known from the front part of the left dentary which is 8% larger than the equivalent bone from the holotype. This largest Giganotosaurus specimen is estimated to represent an individual with a skull length of 195 cm (6.40 ft), compared to the holotype's estimated at 1.80 m (5.9 ft) skull, making it likely that Giganotosaurus had the largest skull of any known theropod. Giganotosaurus surpassed Tyrannosaurus in mass by at least half a ton (the upper size estimate for T. rex is 9.1 t). Additionally several single teeth, discovered from 1987 onwards, have been referred to the species. ![]() 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. 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. ![]() ______________________________________________________________________________
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| Carcharadon | Jul 30 2016, 01:24 AM Post #556 |
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Shark Toothed Reptile
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Crocodiles don't have ziphodont teeth, so eh. It's more like a hyena or wolf if anything. |
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| bone crusher | Jul 30 2016, 01:30 AM Post #557 |
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Heterotrophic Organism
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Last time I checked it's a giga vs t rex fight not a komodo dragon brawl. T rex's neck is too thick and well protected in this instance for giga's teeth to instant kill it. |
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| Black Panther | Jul 30 2016, 01:36 AM Post #558 |
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Omnivore
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And The Komodo dragons neck isn't ? Give me a break, it's muscular and thick with tough sales all over it. And the Komodo's teeth are fairly similar to the carnosaur so there point stands. |
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| bone crusher | Jul 30 2016, 01:41 AM Post #559 |
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Heterotrophic Organism
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OK I'll trust your expertise for now since you're pretty well informed in this forum. But in a close quarter fight there will be body contact right? So the stronger animal would eventually overpower the weaker one by doing however ways possible be it body slam, tackle, throw or thrash. Crocodiles don't strictly bite one another in a fight, they bash their heads against one another, so in some way the stronger animal would inflict more physical damage to the weaker one and as you get damaged more, the better chance for your opponent to win isn't that right? Of course not, it's nowhere near as powerfully and heavily built as a t rex's lol, are you kidding me. I'm talking about in proportion. Edited by bone crusher, Jul 30 2016, 01:44 AM.
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| Black Panther | Jul 30 2016, 01:52 AM Post #560 |
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Omnivore
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You are totally missing the point here, the dentition of carnosaurs are specially adapted to cutting through large amounts of muscule, skin, fat, etc. It will saw through the neck tissue and break the spinal cord. That is for sure. But it dosent even matter honestly, so what UF you think it won't break the neck bones? It will cut through all the neck tissue like a hot knife through butter abd that alone will kill it instantly or in a few seconds. Why do you think slitting Someone or something's throat is such a deadly abd effective way of killing? The gigas bute will be very similar but a hell if a lot more gruesome and gory. |
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| Ceratodromeus | Jul 30 2016, 01:56 AM Post #561 |
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Aspiring herpetologist
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![]() irrelevant to the fact you're trying to say that just because it has blade shaped teeth it cannot do any damage to the bone, or sever a spinal column in the ora case. try harder with your nonsense. |
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| bone crusher | Jul 30 2016, 01:58 AM Post #562 |
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Heterotrophic Organism
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I know it's specialized for cutting but it's just not enough to kill it instantly on the neck region, overtime maybe, certainly nowhere near as fast as you described it. Giga's teeth aren't that long and rex's neck is not that thin. |
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| Black Panther | Jul 30 2016, 02:03 AM Post #563 |
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Omnivore
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@cerato, he is already trying pretty hard. You are honestly telling me that the t.rex is going to tank a full on bite to the neck from giga? That's BS and you know it. A guy and still slit your throat and kill a very fat man with a fat neck with a 2 inch blade. Yes it will die as quick as I described it, it will have its jugular and veins severd. It will die very very soon after. Show me an account if an animal having its neck totally ripped open and spinal colum snapped and living. Edited by Black Panther, Jul 30 2016, 02:03 AM.
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| Ceratodromeus | Jul 30 2016, 02:03 AM Post #564 |
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Aspiring herpetologist
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@Bonecrusher, because cutting through flesh in a vital area and in turn inducing blood loss is not a quick death at all right? maybe not instantaneous but its not going to be a prolonged period of time at all. Edited by Ceratodromeus, Jul 30 2016, 02:06 AM.
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| Black Panther | Jul 30 2016, 02:06 AM Post #565 |
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Omnivore
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It might be instantaneous or very close to it, having your sipinal colum severd and your entire neck severd will wuick you pretty quickly. And you (bone crusher) say that it won't cut the neck because if it's almighty neck with out realizing it killed sauropods with much thicker proportions then the t.rex's neck.
Edited by Black Panther, Jul 30 2016, 02:06 AM.
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| Spartan | Jul 30 2016, 02:33 AM Post #566 |
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Kleptoparasite
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The question is which dinosaur will get to the other's throat first, not if such a bite would be fatal. It would be in any case, just look at these jaws. The arms are a non-factor, they would most likely face-bite each other until one succumbs and offers a better place to bite. |
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| HyperNova | Jul 30 2016, 03:28 AM Post #567 |
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Wild Animals Enthusiast
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Who would have the easier time biting his opponent in this fight? Giganotosaurus had apparently a wider jaws gape which could probably help him. Is there any data about their neck's flexibility? Also, was giganotosaurus able to grapple with his arms or they were too small to be useful in a fight (like t-rex)? |
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| Carcharadon | Jul 30 2016, 03:36 AM Post #568 |
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Shark Toothed Reptile
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Its arm were too small to be useful. |
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| Ausar | Jul 30 2016, 03:41 AM Post #569 |
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Xi-miqa-can! Xi-miqa-can! Xi-miqa-can!
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I guess, but personally, I'm not so sure if there's really a difference in strength here. |
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| bone crusher | Jul 30 2016, 11:21 PM Post #570 |
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Heterotrophic Organism
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But why not? Their morphology clearly shows t-rex being the more powerfully built one.
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