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Carcharodontosaurus saharicus v Tyrannosaurus rex
Topic Started: Jun 8 2012, 05:34 PM (130,014 Views)
Taipan
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Carcharodontosaurus saharicus
This huge meat eater was 45 feet long (5 feet longer than T-rex) and weighed 8 tons, making it one of the largest carnivores that ever walked the earth. This African carnosaur had a gigantic 5’4" long skull and enormous jaws with 8" long serrated teeth. It walked on two legs, had a massive tail, bulky body and short arms ending in three-fingered hands with sharp claws. Carcharodontosaurus is one of the longest and heaviest known carnivorous dinosaurs, with various scientists proposing length estimates ranging between 12 and 13 m (39-43.5 ft) and weight estimates between 6 and 15 metric tons. Its long, muscular legs, and fossilized trackways indicate that it could run about 20 miles per hour, though there is some controversy as to whether it actually did, a forward fall would have been deadly to Carcharodontosaurus, due to the inability of its small arms to brace the animal when it landed. Carcharodontosaurus was a carnivore, with enormous jaws and long, serrated teeth up to eight inches long.

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Tyrannosaurus rex
Tyrannosaurus is a genus of coelurosaurian theropod dinosaur. The species Tyrannosaurus rex (rex meaning "king" in Latin), commonly abbreviated to T. rex, is a fixture in popular culture. It lived throughout what is now western North America, with a much wider range than other tyrannosaurids. Fossils are found in a variety of rock formations dating to the Maastrichtian age of the upper Cretaceous Period, 67 to 65.5 million years ago.[1] It was among the last non-avian dinosaurs to exist before the Cretaceous–Paleogene extinction event. Like other tyrannosaurids, Tyrannosaurus was a bipedal carnivore with a massive skull balanced by a long, heavy tail. Relative to the large and powerful hindlimbs, Tyrannosaurus forelimbs were small, though unusually powerful for their size, and bore two clawed digits. Although other theropods rivaled or exceeded Tyrannosaurus rex in size, it was the largest known tyrannosaurid and one of the largest known land predators. By far the largest carnivore in its environment, Tyrannosaurus rex may have been an apex predator, preying upon hadrosaurs and ceratopsians, although some experts have suggested it was primarily a scavenger. The debate over Tyrannosaurus as apex predator or scavenger is among the longest running in paleontology. Tyrannosaurus rex was one of the largest land carnivores of all time; the largest complete specimen, FMNH PR2081 ("Sue"), measured 12.8 metres (42 ft) long, and was 4.0 metres (13.1 ft) tall at the hips. Mass estimates have varied widely over the years, from more than 7.2 metric tons (7.9 short tons), to less than 4.5 metric tons (5.0 short tons), with most modern estimates ranging between 5.4 and 6.8 metric tons (6.0 and 7.5 short tons). Packard et al. (2009) tested dinosaur mass estimation procedures on elephants and concluded that dinosaur estimations are flawed and produce over-estimations; thus, the weight of Tyrannosaurus could be much less than usually estimated. Other estimations have concluded that the largest known Tyrannosaurus specimens had a weight exceeding 9 tonnes.

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Blue orca
 
Tyrannosaurs Rex vs Carcharodontosaurus
Edited by Taipan, Apr 24 2015, 10:18 PM.
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Replies:
SpinoInWonderland
The madness has come back...
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theropod
Nov 12 2012, 12:32 AM
always those paws...
It's probably a google translator mistake...
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Black Ice
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Drom King
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theropod
Nov 12 2012, 12:32 AM
always those paws...
The new yigit meme.
yigit
 
paws.
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Jinfengopteryx
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Aspiring paleontologist, science enthusiast and armchair speculative fiction/evolution writer
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Actually, this dinosaur guy is impossibly Palaeosaurus (I was joking when I said it). Their writing styles are too different. Palaeosaurs is using different vocabulary, he is writing much more, he is setting a lot of words in signs and he is using other arguments.
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theropod
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palaeontology, open source and survival enthusiast
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and he is more offensive, rude and utterly ignorant while our friend is obviously just a 6 year old child.
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Jinfengopteryx
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Yup, they're too different.
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theropod
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the thigns they are claiming are pretty similar, but how they claim them is the difference. palaeosaurus as retarded as he is would never start a post with "T. rex is my favourite dino", even he would know that´d show everyone he´s a fanboy (usually this doesn´t bother him tough, everybody with a brain knows he is).
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Shaochilong
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Okay, back on track, as I have said, Tyrannosaurus has the advantage in terms of bite force, running speed, and binocular vision.
Carcharodontosaurus, meanwhile, has agility, a bite that, while weaker than that of Tyrannosaurus, is still deadly, larger size, and larger front arms.
So, as you can see, they are very evenly matched.
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Jinfengopteryx
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Why's Carcharodontosaurus more agile? And I don't think it is bigger. In Tom Holtz Genus list it was smaller than rex, this 1,75m skull doesn't seem to be very widely accepted. Daren Naish believes they're both at the same size, but he stated T-rex was heavier, "due to it's more robust propotions".
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Shaochilong
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Jinfengopteryx
Nov 13 2012, 04:18 AM
Why's Carcharodontosaurus more agile?
Shape of knee joint, slender build etc.

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Jinfengopteryx
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Well, in the other hand T-rex had the quick turn tail and being more slender doesn't mean being more agile. I would like to see some data about the first part, because it seems interessting.
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Verdugo
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Lord of the Allosaurs
Nov 13 2012, 04:23 AM
Jinfengopteryx
Nov 13 2012, 04:18 AM
Why's Carcharodontosaurus more agile?
Shape of knee joint, slender build etc.

Again, T rex is more agile than a same size Carnosaur, i have cited like thousand times, though Carnosaur is slightly more stable, not by much

But i agree with Jinfeng the shape of knee joint sounds very interesting, i would be happy if you had a paper for that, hope you don't make up facts
Edited by Verdugo, Nov 13 2012, 02:35 PM.
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theropod
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Being slender can be advantageous for agility, that´s obvious, and there I have not seen evidence why a tyrannosaur should be more agile than other theropods. Both an explanation on the arctometatarsus and the knee joint would be interesting tough.

jingoferx: I thought holtz stated it was larger in his private communication with grey? anyway, 12m is definitely lower bound and the majority of estimates are higher than that. Mortimer gives C. saharicus 12,7m and basing on various reconstruction it could also be ~13-13,5m (I remember a comparison of skeletals on the forum)

lorg od the allosaurs, I´m looking forward to an explanation on the knee joint thing, and I agree about your points.
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Ursus panthera
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In my opinion Carcharodontosaurus wins.
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yigit05
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theropod
Nov 12 2012, 12:32 AM
always those paws...
carchadontosaurus have large claws.damage to any size trex
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Ursus panthera
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Artiodactyla
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yigit05
Nov 14 2012, 01:42 AM
theropod
Nov 12 2012, 12:32 AM
always those paws...
carchadontosaurus have large claws.damage to any size trex
How do you know?
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