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| Megatherium v Therizinosaurus | |
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| Tweet Topic Started: Jan 17 2012, 11:19 PM (13,461 Views) | |
| Taipan | Jan 17 2012, 11:19 PM Post #1 |
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Administrator
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Megatherium americanum Megatherium ("Great Beast") was a genus of elephant-sized ground sloths endemic to Central America and South America that lived from the Pliocene through Pleistocene existing approximately 5.3 million years. Its size was exceeded by only a few other land mammals, including mammoths and the even larger Paraceratherium. Megatherium was one of the largest mammals known, weighing up to eight tons, about as much as an African bull elephant. Although it was primarily a quadruped, its footprints show that it was capable of assuming a bipedal stance. When it stood on its hind legs it was about twenty feet (6 m) tall, twice the height of an elephant. This sloth, like a modern anteater, walked on the sides of its feet because its claws prevented it from putting them flat on the ground. Megatherium species were members of the abundant Pleistocene megafauna, large mammals that lived during the Pleistocene epoch. Megatherium had a robust skeleton with a large pelvic girdle and a broad muscular tail. Its large size enabled it to feed at heights unreachable by other contemporary herbivores. Rising on its powerful hind legs and using its tail to form a tripod, Megatherium could support its massive body weight while using the curved claws on its long forelegs to pull down branches with the choicest leaves. Its jaw is believed to have housed a long tongue, which it would then use to pull leaves into its mouth, similar to the modern tree sloth. ![]() Therizinosaurus cheloniformis Therizinosaurus (play /θɛˌrɪzɨnɵˈsɔrəs/; 'scythe lizard', from the Greek therizo meaning 'to reap' or 'to cut off' and sauros meaning 'lizard') is a genus of very large theropod dinosaur. Therizinosaurus lived in the late Cretaceous Period (late Campanian-early Maastrichtian stages, around 70 million years ago), and was one of the last and largest representatives of its unique group, the Therizinosauria. Its fossils were first discovered in Mongolia and they were originally thought to belong to a turtle-like reptile (hence the species name, T. cheloniformis — "turtle-formed"). It is known only from a few bones, including gigantic hand claws, from which it gets its name. Though the fossil remains of Therizinosaurus are incomplete, inferences can be made about its physical characteristics based on related therizinosaurids. Like other members of its family, Therizinosaurus probably had a small skull atop a long neck, and had a bipedal gait and a heavy, deep, broad body (as evidenced by the wide pelvis of other therizinosaurids). Its forelimbs may have reached a length of 2.5 metres (8 feet) or even 3.5 metres for the largest known specimen. Its hindlimbs ended in four weight-bearing toes, unlike other theropod groups, in which the first toe was reduced to a dewclaw. Gregory S. Paul in 2010 estimated the length of Therizinosaurus at ten metres, the weight at five tonnes. It is the largest therizinosaur known and the largest known member of the Maniraptora. The most distinctive feature of Therizinosaurus was the presence of three gigantic claws on each digit of its frontlimbs. These were common among therizinosaurs but especially large in Therizinosaurus, and while the largest claw specimens are incomplete, they probably reached just under 1 metre (3.28 ft) in length. The claws are the longest known from any animal. The claws were relatively straight, only gradually tapering into a point, and extremely narrow, transversely flattened. ![]() _____________________________________________________________________
Edited by Taipan, Jan 17 2012, 11:20 PM.
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| DinosaurMichael | May 14 2012, 12:09 AM Post #16 |
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Apex Predator
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Who do you think would win this fight though? |
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| Themetalboa | Aug 13 2012, 04:45 AM Post #17 |
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Autotrophic Organism
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Hard One. Probably Megatherium as it's claws were more robust and it has chain like armor and the megatherium can kill the therizinosaurus. |
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| Carcharadon | Aug 13 2012, 04:51 AM Post #18 |
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Shark Toothed Reptile
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*deleted post*
Edited by Carcharadon, Dec 27 2012, 09:38 PM.
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| Jinfengopteryx | Aug 13 2012, 05:13 AM Post #19 |
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Aspiring paleontologist, science enthusiast and armchair speculative fiction/evolution writer
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Size does matter, but both are at the same weight. |
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| FireCrown | Oct 1 2012, 08:53 AM Post #20 |
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Felines,Ursids,and Canid
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Megatherium wasn't could be killed were it was therizino could be killed by Tarbo |
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| Ursus panthera | Oct 1 2012, 03:23 PM Post #21 |
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Artiodactyla
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Megatherium is too large 5-6+ tonnes and 6 metres in height, It would easily kill the dinosaur. |
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| Superpredator | Oct 1 2012, 03:24 PM Post #22 |
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Apex Predator
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Therizinosaurus was also 5t. |
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| SpinoInWonderland | Oct 1 2012, 05:14 PM Post #23 |
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The madness has come back...
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Therizinosaurus kills that fat sloth, it is more durable and had longer claws |
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| Superpredator | Oct 1 2012, 05:18 PM Post #24 |
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Apex Predator
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Bias? Megatherium was most certainly more durable and had a harder strike. |
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| Microsoftsamsulley | Oct 29 2012, 06:59 PM Post #25 |
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Heterotrophic Organism
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Why? Megatherium had chain mail armour so the "fat sloth" you call is more durable. And longer claws does not count as more powerful, it is about what is more robust in claws in which the megatherium had. I think here is how it goes. The megatherium walks and then the Therizinosaurus comes and megatherium growls but Therizinosaurus then hits the sloth and realises the sloth has armour so then the megatherium rips off the Therizinosaurus's neck. And one other thing. Why do you always vote a reptile other a mammal. |
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| Microsoftsamsulley | Oct 29 2012, 07:08 PM Post #26 |
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Heterotrophic Organism
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1. No!!!!!! Why would you think the Therizinosaurus would slash the Megatherium's face? The Megatherium can slash anywhere at the Therizinosaurus as Therizinosaurus did not have armour leaving it vulnerable. 2. The claws of the Megatherium were likely stronger and there is NO way the Therizinosaurus's claws are going through the armour of the sloth. 3. Why do you favour mostly dinosaurs over the mammal? Your like brolyeuphyfusion but less annoying. It's annoying when you are being such a reptile fan. The only times where you favour mammals over reptiles are with honey badgers and snakes. |
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| Carcharadon | Oct 29 2012, 08:12 PM Post #27 |
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Shark Toothed Reptile
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^Ok really now? 1. Why WOULDNT the therizinosaurus slash meg's face? 2. The armor is not on the megatherium's head 3.
And do you think mammal fanboys are better?
Wrong, i favored a clouded leopard over a coelophysis as well as a cape leopard over a masiakasaurus |
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| Fishfreak | Oct 29 2012, 08:26 PM Post #28 |
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Friend of the fish
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I got to go with the mammal here (despite me preferring to favor dinosaurs over mammals) the armor protects all areas but the head, whereas the dinosaur is vulnerable to the claws of megatherium. The mammal is more robust and seems to have more powerful arms. the only good argument to support the dino is this
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| yigit05 | Oct 29 2012, 09:23 PM Post #29 |
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Kleptoparasite
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therizinosauruus paws,agility megatherium size avantage,weight,more muscular megatherium 55/45 win |
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| Vivyx | Dec 27 2012, 09:36 PM Post #30 |
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Felines, sharks, birds, arthropods
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Megatherium wins. Stronger pawswipe, durability, is larger at max weights and the Therizinosaurus' neck is too vulnerable.
Edited by Vivyx, May 5 2013, 02:04 AM.
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