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| Gorgosaurus libratus v Rajasaurus narmadensis | |
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| Tweet Topic Started: Mar 8 2012, 08:26 PM (8,797 Views) | |
| Taipan | Mar 8 2012, 08:26 PM Post #1 |
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Administrator
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Gorgosaurus libratus Gorgosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, between about 76.5 and 75 million years ago. Fossil remains have been found in the Canadian province of Alberta and possibly the U.S. state of Montana. Paleontologists recognize only the type species, G. libratus, although other species have been erroneously referred to the genus. Like most known tyrannosaurids, Gorgosaurus was a bipedal predator weighing more than a metric ton as an adult; dozens of large, sharp teeth lined its jaws, while its two-fingered forelimbs were comparatively small. Gorgosaurus was most closely related to Albertosaurus, and more distantly related to the larger Tyrannosaurus. Gorgosaurus was smaller than Tyrannosaurus or Tarbosaurus, closer in size to Albertosaurus and Daspletosaurus. Adults reached 8 or 9 meters (26 to 30 ft) from snout to tail. Paleontologists have estimated full-grown adults to weigh more than 2.4 tonnes (2.7 short tons). The largest known skull measures 99 centimeters (39 in) long, just slightly smaller than that of Daspletosaurus. ![]() Rajasaurus narmadensis Rajasaurus was an abelisaurid, a member of a group of theropod predators known to have lived only on landmasses that were part of the supercontinent Gondwana, such as Africa, India, Madagascar, and South America. Rajasaurus closely resembles Majungasaurus, a contemporary abelisaur from Madagascar, an island that had separated from the Indian landmass about 20 million years earlier.[4] It was found to be an abelisaurid through a phylogenetic analysis of anatomical characteristics, and was described as a carnotaurine abelisaurid (the subfamily including Carnotaurus) because of the configuration of its nasal bones and its possession of a growth ("excrescence") on its frontal bone. Rajasaurus is distinguished from other genera by its single nasal-frontal horn, the elongated proportions of its supratemporal fenestrae (holes in the upper rear of the skull), and the form of the ilia (principle bones of the hip) which feature a transverse ridge separating the brevis shelf from the hip joint. Rajasaurus was identified from a partial skeleton including a well–preserved skull (with a complete braincase and 70% of the rest of the skull bones recovered), hip bones and parts of the hind legs, backbone and tail. This specimen, GSI 21141/1–33, serves as the type specimen of the genus and species. Rajasaurus measured about 7.6–9 m (24.9–29.5 ft) long, 2.4 m (7.9 ft) in height, and weighed about 3 to 4 tons. The skull was short, measuring 60 cm (23.6 in) in length, and bore a distinctive low rounded horn. This horn is made up of outgrowths from the nasal and frontal bones. ![]() ___________________________________________________________________
Edited by Taipan, Nov 13 2016, 01:34 PM.
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| SameerPrehistorica | Mar 8 2012, 09:27 PM Post #2 |
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Heterotrophic Organism
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Rajasaurus being slightly heavier...eventhough 50 / 50 |
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| Palaeogirl | Mar 9 2012, 06:47 AM Post #3 |
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Omnivore
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Rajasaurus 70/30. Gorgosaurus could do a lot of damage, though. |
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| DinosaurMichael | Mar 9 2012, 08:03 AM Post #4 |
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Apex Predator
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Gorgosaurus wins. Being a Tyrannosaurid. It has more advantages such as a bone crushing bite, and being more robust. Rajasaurus though bigger had pretty weak jaws and due to being an abelisaurid. It's arms would be too short to help it win as well. |
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| Megafelis Fatalis | Mar 9 2012, 04:24 PM Post #5 |
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Carnivore
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Abelisaurs have a very robust and thick bones, similar to Tyrannosaurs, but there bites are no match for Tyrannosaurs's bite, so Gorgosaurus wins 60% IMO. |
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| Wolf Eagle | Mar 9 2012, 08:59 PM Post #6 |
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M E G A P H Y S E T E R
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I think Gorgosaurus wins here. The Rajasaurus would have had a very weak bite, not comparable to that of the Tyrannosaur. |
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| DinosaurMichael | Mar 9 2012, 10:30 PM Post #7 |
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Apex Predator
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Really? Thanks for telling me. I give Rajasaurus a bit of a chance now, but I still think Gorgosaurus would win this. |
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| ShadowPredator | Mar 10 2012, 12:55 PM Post #8 |
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Omnivore
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50/50, this trannosaur being an Albertosaurid it's more gracile than other tyrannosaurs, So Rajasaurus would be Larger, more robust and powerful, it's head is more suited to ramming, and its tail is probably better to be used as a weapon, but the Gorgosaurus is quite a bit faster and more agile with that powerful bite. This fight could go 100s of directions, the Gorgosaurus could kill with a quick bite to the throat or the Rajasaurus could win by ramming the gorgo down and crushing it, Ambush-Raja Face to face- 50/50 |
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| Temnospondyl | Mar 22 2012, 01:07 AM Post #9 |
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Stegocephalia specialist.
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Who has their scale? |
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| SpinoInWonderland | Aug 25 2012, 02:01 AM Post #10 |
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The madness has come back...
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Rajasaurus is much more heavily-built, and larger, so Rajasaurus has the advantage, bite isn't everything Gorgosaurus = 8-9 meters long, 2.4 tonnes Rajasaurus = 7.6-9 meters long, 3-4 tonnes 62/38 in favor of Rajasaurus imo Edited by SpinoInWonderland, Aug 25 2012, 11:40 AM.
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| Carcharadon | Aug 25 2012, 06:48 AM Post #11 |
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Shark Toothed Reptile
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This is Gorgosaurus, not Daspletosaurus. Edited by Carcharadon, Nov 13 2012, 08:14 AM.
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| theropod | Aug 25 2012, 07:09 AM Post #12 |
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palaeontology, open source and survival enthusiast
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Seriously, the one hates tyrannosaurs and the other-one overrates them in exchange. there is no way daspletosaurus would "devastate Rajasaurus" I think this is 50/50. Rajasaurus bite certainly could compare to that of Gorgosaurus, why should it have been "very weak"? it was the more massive animal, but the tyrannosaur was faster and more agile. Does this skull look weak to you?
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| SpinoInWonderland | Aug 25 2012, 11:42 AM Post #13 |
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The madness has come back...
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lol, my mistake, edited it |
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| Fishfreak | Nov 13 2012, 01:10 PM Post #14 |
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Friend of the fish
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50/50 slightly leaning towards raja. Gorgo is faster, more agile, whereas raja is bigger and more robust, and IMO both have equal weaponry |
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| Verdugo | Nov 13 2012, 02:13 PM Post #15 |
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Large Carnivores Enthusiast
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How many time do i have to cite that Abelisaurids have WEAK bite, probably even weaker than a same size Carnosaur. Abelisaurids are built to bite fast (due to their short jaw and powerful jaw muscles), but their mobile, flexible lower jaw don't allow to bite hard. This is for the last time
![]() BTW, does anyone feel Rajasaurus weight is overestimated, how can a 9m Abelisaurid weigh almost twice as much as a 9m Tyrannosaurids (heavily built one like Daspletosaurus) |
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