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Utahraptor v Gastonia
Topic Started: Oct 27 2012, 08:37 PM (7,618 Views)
DinosaurMichael
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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.

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Gastonia burgei
Gastonia is a genus of nodosaurid dinosaur from the Early Cretaceous of North America, around 125 million years ago. Closely related to Polacanthus, it has a sacral shield and large shoulder spikes. It is also the first polacanthine dinosaur to have been mounted for display at the Denver Museum of Nature and Science, together with the related Gargoyleosaurus. This dinosaur was found in the same quarry as Utahraptor, the largest known dromaeosaurid. Named by James Kirkland in 1998 from material recovered in Grand County Utah, more complete material exists for Gastonia than for any other polacanthine ankylosaur. Unfortunately, a wealth of disarticulated material from a bonebed presents problems as it can be hard to tell how many spikes a particular Gastonia actually had. Gastonia was named after Robert Gaston, the discoverer of the genus. Robert Gaston is a paleoartist, who makes a living of creating museum quality casts and replicas of fossils for private and public collections. The type species, G. burgei, was found in rocks of the Cedar Mountain Formation (Yellow Cat member), which has been dated to 126 million years ago. Weight: 1 ton (900 kilos).

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Dark allosaurus
Oct 27 2012, 03:24 AM
utahraptor vs gastonia or some other ankylosaur
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SpinoInWonderland
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Gastonia wins, I don't really see how the Utahraptor could win...
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Jinfengopteryx
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Well, it could claws the neck (doesn't look that well armed), but I think the Gastonia mosty wins. Gastonia 60/40.
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theropod
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yes, gastonia wins mostly. weight advantage, armour, spikes...

it would be very hard for the drom to avoind the defenses
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Carcharadon
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The armored tank will win........ it can swing its spiky tail and pierce the raptors legs
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Archer250
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brolyeuphyfusion
Oct 27 2012, 09:16 PM
Gastonia wins, I don't really see how the Utahraptor could win...
I agree.
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Fishfreak
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i think the length and size of the utahraptor may be a problem because it is less agile than it's smaller cousins, and will therefore have a harder time dodging that spiky tail. If i'm not mistaken gastonia looks more agile than the heavily armored ankylosaurus, and would have an easier time hitting the raptor, not to mention the spikes on the back will prevent the utahraptor jumping onto it. The only way i see utahraptor winning is if it gets good bit on neck or head otherwise it's unlikely that it will kill gastonia. Gastonia 80/20. Imo a pack vs a bigger ankylosaur would be a more interesting fight.
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FireCrown
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Gastonia
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Fragillimus335
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I remember this from Jurassic Fightclub, but in reality Utahraptor would likely win. Gastonia was quite small.

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FireCrown
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Gastonia will smack the hell out of the raptor
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Fishfreak
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Malgus
Nov 3 2012, 10:02 AM
That size comparison is way off. The Gastonia was twice as heavy as the Utahraptor.
Gastonia was heavier, but utahraptor is longer and taller which is clearly visible in the comparison.
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Fragillimus335
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Malgus
Nov 3 2012, 10:02 AM
Gastonia wins!

That size comparison is way off. The Gastonia was twice as heavy as the Utahraptor.
Size comp is just fine, Utah 6.75 meters, Gastonia 4.5 meters. Gastonia is squat and wide, but probably didn't weigh a ton. Maybe 1000-1200 lbs.
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Fishfreak
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Fragillimus335
Nov 3 2012, 03:09 PM
Malgus
Nov 3 2012, 10:02 AM
Gastonia wins!

That size comparison is way off. The Gastonia was twice as heavy as the Utahraptor.
Size comp is just fine, Utah 6.75 meters, Gastonia 4.5 meters. Gastonia is squat and wide, but probably didn't weigh a ton. Maybe 1000-1200 lbs.
sources vary a lot some say 2m others 6m
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Megafelis Fatalis
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Utahraptor was smart enough to use its hand claws to slash the neck or the belly
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theropod
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dinofreak337
Nov 3 2012, 10:55 PM
Fragillimus335
Nov 3 2012, 03:09 PM
Malgus
Nov 3 2012, 10:02 AM
Gastonia wins!

That size comparison is way off. The Gastonia was twice as heavy as the Utahraptor.
Size comp is just fine, Utah 6.75 meters, Gastonia 4.5 meters. Gastonia is squat and wide, but probably didn't weigh a ton. Maybe 1000-1200 lbs.
sources vary a lot some say 2m others 6m
http://books.google.at/books?hl=de&lr=&id=04tQ5_qJN8MC&oi=fnd&pg=PA386&dq=gastonia+burgei&ots=TtIsOMLQvw&sig=lbdrYyzYD3XvB8hLDFCopLTIhFs#v=onepage&q=gastonia%20burgei&f=false

here is a perfect dorsal-view-shot of the skeleton. someone has to find the measurements of some part and we can tell its exact size.
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