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| Alioramus remotus v Dilophosaurus wetherilli | |||
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| Tweet Topic Started: Jun 24 2013, 09:20 PM (5,205 Views) | |||
| Taipan | Jun 24 2013, 09:20 PM Post #1 | ||
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Alioramus remotus Alioramus is one of the least known Asian tyrannosaurids. It was a stretch-snouted tyrannosaurid with a very rugose (bumpy) nose. In fact, there seem to be 6 prominent bumps on the nose. Otherwise, it probably looked very much like a T. rex. It has a very high tooth count (for a tyrannosaur, at 18 maxillary teeth), which lends credence to it being a primitive tyrannosaurid. Alioramus is known from an incomplete skull and some foot bones collected from Nogon-Tsav in Mongolia.. As the name says, it is not a well known tyrannosaurid. It may have been an early version of the Asian tyrannosaur family as it has a braincase very similar to Tarbosaurus bataar. Like Albertosaurus in North America, this early tyrannosaur was not as large as its later cousins. So little is known of this dinosaur that the there is even an argument as to whether it belongs as a tyrannosaurid. Dr. Phillip Curie wrote that the taxonomic status of Alioramus is uncertain because of the incompleteness and immature nature of the specimen. ![]() Dilophosaurus wetherilli Dilophosaurus (play /daɪˌlɒfɵˈsɔrəs/ dy-lof-o-sawr-əs or /daɪˌloʊfɵˈsɔrəs/; Greek: di for "two", lophos "crest", and sauros "lizard") was a theropod dinosaur from the Sinemurian stage of the Early Jurassic Period, about 193 million years ago. The first specimens were described in 1954, but it was not until over a decade later that the genus received its current name. It is one of the earliest known Jurassic theropods and one of the least understood. Dilophosaurus measured around six meters (20 ft) long and may have weighed half a ton. The most distinctive characteristic of Dilophosaurus is the pair of rounded crests on its skull, possibly used for display. Studies by Robert Gay show no indication that sexual dimorphism was present in the skeleton of Dilophosaurus, but says nothing about crest variation. The teeth of Dilophosaurus are long, but have a fairly small base and expand basally. Another skull feature was a notch behind the first row of teeth, giving Dilophosaurus an almost crocodile-like appearance, similar to the putatively piscivorous spinosaurid dinosaurs. This "notch" existed by virtue of a weak connection between the premaxillary and maxillary bones of the skull. This conformation led to the early hypothesis that Dilophosaurus scavenged off dead carcasses, with the front teeth being too weak to bring down and hold large prey.
Edited by Taipan, Aug 1 2013, 09:34 PM.
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| retic | Jun 25 2013, 12:30 AM Post #2 | ||
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snake and dinosaur enthusiast
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alioramus wins. it is more robust and has a deadlier bite. | ||
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| Carcharadon | Jun 25 2013, 08:13 AM Post #3 | ||
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Shark Toothed Reptile
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The tyrannosaur would use its superior jaws to kill the lightly built dilophosaurus.
Edited by Carcharadon, Jun 25 2013, 08:13 AM.
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| SpinoInWonderland | Jun 25 2013, 12:24 PM Post #4 | ||
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The madness has come back...
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Alioramus wins, Dilophosaurus is poorly equipped to fight other theropods without a substantial size advantage | ||
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| Big G | Jun 25 2013, 05:04 PM Post #5 | ||
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Herbivore
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I don't know. Dilophosaurus have a size advantage, while Alioramus have better weapons. However, my choose is Alioramus, due the fact that Dilophosaurus may have been a fish eater. Edited by Big G, Jun 26 2013, 12:28 AM.
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| DarkGricer | Jun 26 2013, 12:07 AM Post #6 | ||
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Omnivore
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Dilophosaurus was probably lighter than Alioramus due to it's more gracile build. |
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| theropod | Jun 26 2013, 12:20 AM Post #7 | ||
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palaeontology, open source and survival enthusiast
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Dilophosaurus wasn't heavier than Alioramus, no way. It was only a metre longer, but their respective builts are these: ![]() ![]() I would consider it very unlikely it was a piscivore. Guess why... Spoiler: click to toggle
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| Big G | Jun 26 2013, 12:27 AM Post #8 | ||
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Herbivore
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I had read 750 kg for Alioramus and 500-1000 kg for Dilophosaurus.
Edited by Big G, Jun 26 2013, 12:28 AM.
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| Spinodontosaurus | Jun 26 2013, 12:37 AM Post #9 | ||
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Herbivore
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Dilophosaurus is no bigger than Utahraptor, a weight of 1000kg is optimistic to say the least. | ||
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| Temnospondyl | Jun 27 2013, 04:43 AM Post #10 | ||
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Stegocephalia specialist.
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Dilophosaurus was pretty big. It's light build doesn't make it weak. Some long teeth can slice deep into flesh, making bloody wounds. I vote Dilophosaurus, because of it's bigger size, speed, agility and more leathel bite. Alioramus, however, would be a very tough match. A combination of size, power, speed and agility is ultimate for fight. And, look at the Alioramus's skull, it's not really thick.I don't think it was stronger, than Nanotyrannus. | ||
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| Temnospondyl | Jun 27 2013, 04:45 AM Post #11 | ||
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Stegocephalia specialist.
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This tyrannosaur is not much more robust. | ||
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| Ausar | Jun 27 2013, 05:08 AM Post #12 | ||
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Xi-miqa-can! Xi-miqa-can! Xi-miqa-can!
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I think dino-ken believed that tyrannosaurids such as Alioramus and Nanotyrannus may have been albertosaurine-sized when fully grown. At parity and using the given size here, I'd favor Alioramus most of the time. If Alioramus did reach sizes as large as the albertosaurines did, then this would be a mismatch.
Wikipedia seemed to support the idea that adult Alioramus may have been larger than known specimens, though they never said it would have reached the size of albertosaurines.
http://en.wikipedia.org/wiki/Alioramus Edited by Ausar, Jun 27 2013, 05:12 AM.
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| 7Alx | Jun 27 2013, 05:22 AM Post #13 | ||
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Herbivore
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Ignorieren schwachkopfspondyl! Er hasst oder er mag Tyrannosaurier nicht. This is not my mother language though. @Theropodomorpha The skull of Alioramus is more like around 0.7 m... Edited by 7Alx, Jun 27 2013, 05:24 AM.
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| theropod | Jun 27 2013, 05:42 AM Post #14 | ||
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palaeontology, open source and survival enthusiast
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Where are those insults for temnospondy from? | ||
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| 7Alx | Jun 27 2013, 05:44 AM Post #15 | ||
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Herbivore
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He deserves to be insulted though... His posts make me sick.
Edited by 7Alx, Jun 27 2013, 05:45 AM.
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