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| Steppe Rhinoceros v Tyrannosaurus rex | |
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| Tweet Topic Started: Feb 10 2012, 06:44 PM (33,465 Views) | |
| Taipan | Feb 10 2012, 06:44 PM Post #1 |
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Steppe Rhinoceros - Elasmotherium caucasicum Elasmotherium ("Thin Plate Beast") is an extinct genus of giant rhinoceros endemic to Eurasia during the Late Pliocene through the Pleistocene, documented from 2.6 mya to as late as 50,000 years ago, possibly later, in the Late Pleistocene, an approximate span of slightly less than 2.6 million years. Three species are recognised. The best known, E. sibiricum was the size of a mammoth and is thought to have borne a large, thick horn on its forehead which was used for defense, attracting mates, driving away competitors, sweeping snow from the grass in winter and digging for water and plant roots. Like all rhinoceroses, elasmotheres were herbivorous. Unlike any others, its high-crowned molars were ever-growing. Its legs were longer than those of other rhinos and were designed for galloping, giving it a horse-like gait. The Russian paleontologists of the 19th century who discovered and named the initial fossils were influenced by ancient legends of a huge unicorn roaming the steppes of Siberia. To date no evidence either contradicts or confirms the possibility that Elasmotherium survived into legendary times. The most reconstructed species is perhaps E. sibiricum by generations of scientists working at the Paleontological Museum in Moscow and elsewhere in Russia. The majority of the fossils fall or have fallen within their national jurisdiction. The dimensions and morphology of the various reconstructions vary considerably. They are for the most part estimating the gross details from the minutiae. However, they all agree on the general order of magnitude, that sibiricum was comparable to a Mammoth and was rather larger than the contemporary Woolly Rhinoceros. E. sibiricum had a measured shoulder height of approximately 2 metres (6.6 ft). To it, however, must be added the height of a massive hump anchored on the fin-like transverse processes extending from the top of the cervical vertebrae, a maximum of 53 centimetres (1.74 ft). The total height then was in excess of 253 centimetres (8.30 ft). The measured length of sibiricum (from a nearly complete skeleton found at Gaevskaya) is 4.5 metres (15 ft). Extrapolation from the greater size of caucasicum molars obtains a length of 5 metres (16 ft)—5.2 metres (17 ft) for caucasicum. According to Legendre's formula, E. sibiricum had a mass of over 4,000 kilograms (3.9 long tons; 4.4 short tons); E. caucasicum, 5,000 kilograms (4.9 long tons; 5.5 short tons). These weights place Elasmotherium in the "really huge" category of all Rhinocerotidae and therefore the animal was "strongly brachyopodial;" that is, they required feet of large contact area to prevent sinking into the soil. The feet were unguligrade, the front larger than the rear: purely tridactyl on Digits II-IV in the rear, but with an extra vestigial digit, I, in the front. ![]() 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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| linnaeus1758 | Jun 30 2012, 01:21 PM Post #31 |
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Omnivore
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Yeah, a charging elasmotherium would be unstoppable. |
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| SpinoInWonderland | Jun 30 2012, 01:54 PM Post #32 |
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The madness has come back...
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Tyrannosaurus rex can hold it's own against Triceratops, and it has the size advantage, and Tyrannosaurus is more agile, and rhinos are not as well-armed as ceratopsians are 80/20 in favor of Tyrannosaurus Edited by SpinoInWonderland, Jul 29 2013, 11:27 PM.
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| theropod | Jul 1 2012, 06:13 AM Post #33 |
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palaeontology, open source and survival enthusiast
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I think that elasmotherium would have trouble not missing T rex if it charges, but it was certainly a relatively fast and agile animal. I´m quite shure that the upper T rex figures are complete exageration, so The weight difference isn´t that large. 50/50 in at maximum weight, 60/40 in favour of the T rex at the maximum weight that is reasonable in my opinion (7t for rexy), 70/30 in favour of rexy at parity The lighter the T rex is, the faster and more agile it gets, and the easier it would be to dodge the rhino and outmaneuver it. this is also because the weaponery stays the same, and the rhinos horn is far too formidable not to be instantly lethal for EVERY T rex, regardless of it´s weight. |
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| Bison | Jul 22 2012, 11:05 PM Post #34 |
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Unicellular Organism
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I think the rhino takes this, that horn is just too deadly and the rhino seems more powerfully build and also is more stable. |
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| Megafelis Fatalis | Jul 22 2012, 11:20 PM Post #35 |
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Carnivore
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I updated my size comaprison, this one is more accurate. Elasmotherium by sinammonite
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| Bison | Jul 22 2012, 11:29 PM Post #36 |
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Unicellular Organism
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T-Rex gets gored in the stomach. |
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| Meg_Man | Jul 23 2012, 12:01 AM Post #37 |
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Heterotrophic Organism
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You need to read this study: 7.Happ J (2008) An analysis of predator-prey behavior in a head-to-head encounter between Tyrannosaurus rex and Triceratops. In: Larson P, Carpenter K, editors. Tyrannosaurus rex: The Tyrant King. Bloomington, Indiana: Indiana University Press. pp. 354–368. This study reveals that Tyrannosaurus rex was intelligent enough to figure out that it would be beneficial to disable the primary stabbing weapons like horns of its target and powerful enough to chomp such weapons off. Edited by Meg_Man, Jul 23 2012, 12:05 AM.
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| Meg_Man | Jul 23 2012, 12:02 AM Post #38 |
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Heterotrophic Organism
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Same advice for you. See my above post. |
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| Nocturnal | Jul 23 2012, 12:05 AM Post #39 |
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Autotrophic Organism
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first i wanted to say Elasmotherium wins, but then i saw Bison's scaling. i don't know how accurate it is, but going by this scaling, i'd favor the trex.
Edited by Nocturnal, Jul 23 2012, 12:05 AM.
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| Megafelis Fatalis | Jul 23 2012, 12:05 AM Post #40 |
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Carnivore
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But the Elasmotherium was more intelligent than Tyrannosaurus and Triceratops. |
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| Meg_Man | Jul 23 2012, 12:07 AM Post #41 |
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Heterotrophic Organism
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This does not makes much difference. |
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| Megafelis Fatalis | Jul 23 2012, 12:12 AM Post #42 |
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Carnivore
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True but the same thing with Tyrannosaurus intelligence. |
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| Meg_Man | Jul 23 2012, 12:58 AM Post #43 |
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Heterotrophic Organism
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This is a sign of argument for the sake of argument. What I have established here is that T. rex understood the importance of disabling stabbing weapons. And it possessed sufficient biological capabilities to pull off this kind of feat. This evidence is very important for this debate. T. rex can deny Steppe Rhinoceros the luxury of goring it; thus vastly boosting its chances for success in this fight. |
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| yigit05 | Jul 24 2012, 06:38 PM Post #44 |
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Kleptoparasite
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Tranosauros wins first snapped his head rhino.Your brain becomes ineffective death could result |
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| Arctodus | Jul 24 2012, 09:44 PM Post #45 |
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Unicellular Organism
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The rhino wins this easily. |
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