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| Protoceratops andrewsi v Velociraptor mongoliensis | |
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| Tweet Topic Started: Jan 6 2012, 08:43 PM (9,977 Views) | |
| Taipan | Jan 6 2012, 08:43 PM Post #1 |
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Velociraptor mongoliensis Velociraptor ( /vɨˈlɒsɨræptər/; meaning 'swift seizer')[1] is a genus of dromaeosaurid theropod dinosaur that existed approximately 75 to 71 million years ago during the later part of the Cretaceous Period. Two species are currently recognized, although others have been assigned in the past. The type species is V. mongoliensis; fossils of this species have been discovered in Mongolia. Smaller than other dromaeosaurids like Deinonychus and Achillobator, Velociraptor nevertheless shared many of the same anatomical features. It was a bipedal, feathered carnivore with a long, stiffened tail and an enlarged sickle-shaped claw on each hindfoot, which is thought to have been used to kill its prey. Velociraptor can be distinguished from other dromaeosaurids by its long and low skull, with an upturned snout. Velociraptor was a mid-sized dromaeosaurid, with adults measuring up to 2.07 m (6.8 ft) long, 0.5 m (1.6 ft) high at the hip, and weighing up to 15 kg (33 lb). The skull, which grew up to 25 cm (9.8 in) long, was uniquely up-curved, concave on the upper surface and convex on the lower. The jaws were lined with 26–28 widely spaced teeth on each side, each more strongly serrated on the back edge than the front—possibly an adaptation that improved its ability to catch and hold fast-moving prey. Protoceratops andrewsi Protoceratops ( /ˌproʊtoʊˈsɛrətɒps/; from Greek proto-/πρωτο- "first", cerat-/κερατ- "horn" and -ops/-ωψ "face", meaning "First Horned Face") is a genus of sheep-sized (1.5 to 2 m long) herbivorous ceratopsian dinosaur, from the Upper Cretaceous Period (Campanian stage) of what is now Mongolia. It was a member of the Protoceratopsidae, a group of early horned dinosaurs. Unlike later ceratopsians, however, it was a much smaller creature that lacked well-developed horns and retained some primitive traits not seen in later genera. Protoceratops had a large neck frill, which may have served to protect the neck, to anchor jaw muscles, to impress other members of the species, or combinations of these functions. Described by Walter Granger and W.K. Gregory in 1923, Protoceratops was initially believed to be an ancestor of the North American ceratopsians. Protoceratops was approximately 1.8 meters (6 ft) in length and 0.6 meters (2 ft) high at the shoulder. A fully grown adult would have weighed less than 400 pounds (180 kg). The large numbers of specimens found in high concentration suggest that Protoceratops lived in herds. ![]() Edited by Taipan, Oct 15 2017, 01:33 PM.
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| Carcharadon | Sep 8 2013, 04:56 AM Post #46 |
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Shark Toothed Reptile
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Spinoinwonderland showed proof for velociraptor weighing 25 kg...... although protoceratops is still twice as big and should definitely win this. |
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| Jinfengopteryx | Sep 8 2013, 04:57 AM Post #47 |
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Aspiring paleontologist, science enthusiast and armchair speculative fiction/evolution writer
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@JagSwag This is definitely not a mismatch, look at the posts at page 3. Edited by Jinfengopteryx, Sep 8 2013, 04:58 AM.
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| Ausar | Oct 10 2013, 09:12 AM Post #48 |
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Xi-miqa-can! Xi-miqa-can! Xi-miqa-can!
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We're using the upper bound for Velociraptor against Protoceratops' minimum? If I had to guess, 60-70 kg was likely the upper bound for Protoceratops. Protoceratops wins either way. It will kill the raptor with its beak.
Edited by Ausar, Oct 10 2013, 09:21 AM.
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| mechanicalraptor | Oct 28 2013, 02:34 AM Post #49 |
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Unicellular Organism
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the biggest raptors grew larger then the ceratops |
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| thesporerex | Oct 28 2013, 03:33 AM Post #50 |
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Kleptoparasite
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No they don't, the biggest V raptors are 15 kg while protoceratops is about 50 kg |
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| Jinfengopteryx | Oct 28 2013, 03:33 AM Post #51 |
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Aspiring paleontologist, science enthusiast and armchair speculative fiction/evolution writer
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I take the lower bound, because I have a better basis for it than just guessing (I got 50 kg, by scaling up from Seebachers model and rounding the result up). I still favor Protoceratops, but it's close in my opinion. Evidence? |
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| Ausar | Oct 28 2013, 04:35 AM Post #52 |
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Xi-miqa-can! Xi-miqa-can! Xi-miqa-can!
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It's still not close at all in my opinion. Even if we're using a potentially maximum sized Velociraptor and the severely downsized Protoceratops, the latter is still twice as large. |
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| Jinfengopteryx | Oct 28 2013, 04:42 AM Post #53 |
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Aspiring paleontologist, science enthusiast and armchair speculative fiction/evolution writer
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Well, in exchange Velociraptor is the predatory animal here and there are many examples of a predator holding it's own against a much larger herbivore. There are also many matches where predators face a lot larger herbivores which are considered as fair matches. Furthermore, you have to remember that this fight is at a relatively small scale, where the smaller animal is not as hopelessly inferior, as if this was at a larger scale. |
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| Ausar | Oct 28 2013, 04:45 AM Post #54 |
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Xi-miqa-can! Xi-miqa-can! Xi-miqa-can!
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Those instances merely prove the predator has a chance, not that it would win more often than not in an interspecific fight. |
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| Jinfengopteryx | Oct 28 2013, 04:56 AM Post #55 |
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Aspiring paleontologist, science enthusiast and armchair speculative fiction/evolution writer
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I already acknowledged that Protoceratops would win here, I just wanted to say that this is not an unfair fight. |
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| Ausar | Oct 28 2013, 05:11 AM Post #56 |
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Xi-miqa-can! Xi-miqa-can! Xi-miqa-can!
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Um, alright, though I'd still say with the ceratopsian twice as large, it wins rather easily. |
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| Jinfengopteryx | Oct 28 2013, 05:18 AM Post #57 |
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Aspiring paleontologist, science enthusiast and armchair speculative fiction/evolution writer
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Alright then. I still disagree, but OK. |
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| Carcharadon | Oct 28 2013, 06:06 AM Post #58 |
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Shark Toothed Reptile
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The largest velociraptors could actually be as much as 25 kg. Protoceratops still has the clear advantage though imo. |
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| 7Alx | Nov 9 2013, 05:04 AM Post #59 |
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Herbivore
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One of (if not only) Velociraptor's good chances is piercing Protoceratops's artery or carotid. Proceratops is probably still winner, unless we are talking about smaller Protoceratops specimens like AMNH 6467, which weight is estimated of around 23 kg.
Edited by 7Alx, Nov 9 2013, 05:07 AM.
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| Teratophoneus | Nov 9 2013, 06:08 AM Post #60 |
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Herbivore
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That Protoceratops immy is ugly, here's a better one:![]() Wouldn't be nice if we use this image for Protoceratops' match from now? However Protoceratops win for the motivation stated above. Edited by Teratophoneus, Nov 9 2013, 06:09 AM.
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