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| Utahraptor ostrommaysorum v Kentrosaurus aethiopicus | |
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| Tweet Topic Started: Sep 21 2012, 08:46 PM (4,827 Views) | |
| DinosaurMichael | Sep 21 2012, 08:46 PM Post #1 |
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Apex Predator
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Utahraptor ostrommaysorum Utahraptor (meaning "Utah's predator" or "Utah thief") is a genus of theropod dinosaurs, including the largest known members of the family Dromaeosauridae. Fossil specimens date to the upper Barremian stage of the early Cretaceous period (in rock strata dated to 126 ± 2.5 million years ago). It contains a single species, Utahraptor ostrommaysorum. The holotype specimen of Utahraptor is fragmentary, consisting of skull fragments, a tibia, claws and some caudal (tail) vertebra. These few elements suggest an animal about twice the size of Deinonychus. Like other dromaeosaurids, Utahraptor had large curved claws on their second toes. One claw specimen is preserved at 22 centimetres (8.7 in) in length and is thought to reach 24 centimetres (9.4 in) restored. The largest described U. ostrommaysorum specimens are estimated to have reached up to 7 m (23 ft) long and somewhat less than 500 kg (1,100 lb) in weight, comparable to a grizzly bear in size. Some undescribed specimens in the BYU collections may have reached up to 11 m (36 ft) long, though these await more detailed study. Kentrosaurus aethiopicus Kentrosaurus is a genus of stegosaurid dinosaur from the Late Jurassic of Tanzania. Its fossils have been found only in the Tendaguru Formation of Tanzania, dated to the Kimmeridgian stage, between about 155.7 ± 4 Ma and 150.8 ± 4 Ma (million years ago). Apparently, all finds belong to one species, K. aethiopicus Hennig 1915. Kentrosaurus was described by German palaeontologist Edwin Hennig in 1915. Often thought to be a primitive member of the Stegosauria, several recent cladistic analyses find it to be derived, and a close relative to Stegosaurus from the North American Morrison Formation. Kentrosaurus generally measured around 4.5 metres (15 ft) in length as an adult, probably had a double row of small plates and spikes running down its back, and could use its tail as a "thagomizer" for defense. Kentrosaurus aethiopicus was a small stegosaur, smaller than Stegosaurus armatus, Hesperosaurus mjosi, Dacentrurus armatus and Tuojiangosaurus multispinus, and about as large as Huayangosaurus taibaii. The total length of a composite skeletal mount in the Museum für Naturkunde Berlin, Germany, from the tip of the snout to the tip of the tail is 4.5 m (15 ft). Slightly more than half of this length is made up by the tail. Larger single elements were found, so that the animal could probably attain a total length of 5.5 m (18 ft). The long tail of Kentrosaurus results in a position of the center of mass that is unusually far back for a quadrupedal animal. It rests just in front of the hip, a position usually seen in bipedal dinosaurs. ![]() ______________________________________________________________________
Edited by Taipan, Dec 4 2017, 08:34 PM.
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| Vivec | Sep 30 2012, 02:44 AM Post #31 |
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Canid and snake enthusiast.
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If that Kentrosaurus hit the Raptor with its tail then it's done for, any predator that size would be smart enough to stay away from an armoured tank of a herbivore like that. |
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| FireCrown | Oct 31 2012, 01:27 AM Post #32 |
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Felines,Ursids,and Canid
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One hit from the Kentro it could cripple the raptor |
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| Black Ice | Oct 31 2012, 01:30 AM Post #33 |
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Drom King
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kentro isn't a tank of an herbivore.
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| SpinoInWonderland | Oct 31 2012, 01:42 AM Post #34 |
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The madness has come back...
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Do you mean? Whats the thing gonna do when the droms impaled to its side hanging lifeless? Spikes, dude...spikes... |
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| Black Ice | Oct 31 2012, 02:09 AM Post #35 |
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Drom King
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![]() Yea its sides have too many spikes
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| Fragillimus335 | Oct 31 2012, 05:08 AM Post #36 |
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Omnivore
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Utahraptor has the speed, size, and weaponry to kill the Kentrosaurus. |
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| Makaveli7 | Sep 14 2013, 12:11 PM Post #37 |
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Heterotrophic Organism
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50/50 with a slight edge to either. Kentrosaurus may be too spiky, but Utahraptor may be too well weaponized and smart.
Edited by Makaveli7, Sep 14 2013, 12:12 PM.
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| thesporerex | Sep 15 2013, 04:46 AM Post #38 |
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Kleptoparasite
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lol, if that is the case then mismatch |
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| GallirallusAustralis | Oct 23 2017, 04:07 AM Post #39 |
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Autotrophic Organism
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Utahraptor would win. I think it is stronger. |
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| HerpestidaeB4Cat | Dec 4 2017, 07:56 PM Post #40 |
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Herbivore
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unless by ambush doesnt look too good for the utah raptor |
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| Drift | Jan 24 2018, 09:58 PM Post #41 |
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High Spined Lizard
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Agreed,however it seems more likely to attack the flanks seeing as how the kentrosaurus would seemingly want to turn away to avoid face to face confrontation. |
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kentro isn't a tank of an herbivore.



2:26 AM Jul 14