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Spinosaurus aegyptiacus v Tyrannosaurus rex
Topic Started: Jan 7 2012, 02:16 AM (459,224 Views)
Wolf Eagle
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M E G A P H Y S E T E R
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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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Spinosaurus aegyptiacus
Spinosaurus is a genus of theropod dinosaur which lived in what is now North Africa, from the lower Albian to lower Cenomanian stages of the Cretaceous period, about 112 to 97 million years ago. Spinosaurus may be the largest of all known carnivorous dinosaurs, even larger than Tyrannosaurus and Giganotosaurus. Estimates published in 2005 and 2007 suggest that it was 12.6 to 18 metres (41 to 59 ft) in length and 7 to 20.9 tonnes (7.7 to 23.0 short tons) in weight. The skull of Spinosaurus was long and narrow like that of a modern crocodilian. Spinosaurus is thought to have eaten fish; evidence suggests that it lived both on land and in water like a modern crocodilian. The distinctive spines of Spinosaurus, which were long extensions of the vertebrae, grew to at least 1.65 meters (5.4 ft) long and were likely to have had skin connecting them, forming a sail-like structure, although some authors have suggested that the spines were covered in fat and formed a hump. Multiple functions have been put forward for this structure, including thermoregulation and display. Dal Sasso et al. (2005) assumed that Spinosaurus and Suchomimus had the same body proportions in relation to their skull lengths, and thereby calculated that Spinosaurus was 16 to 18 meters (52 to 59 ft) in length and 7 to 9 tonnes (7.7 to 9.9 short tons) in weight. The Dal Sasso et al. estimates were criticized because the skull length estimate was uncertain, and (assuming that body mass increases as the cube of body length) scaling Suchomimus which was 11 meters (36 ft) long and 3.8 tonnes (4.2 short tons) in mass to the range of estimated lengths of Spinosaurus would produce an estimated body mass of 11.7 to 16.7 tonnes (12.9 to 18.4 short tons).

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Edited by Taipan, Apr 24 2015, 10:10 PM.
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brolyeuphyfusion
Apr 5 2013, 01:29 AM
Nate
Apr 5 2013, 01:27 AM
Spino is not as agile as t rex because of his sail and he neck seems long, t rex can bite the neck or body before spinosaurus can try to dodge it. Spino was also designed for eating fish and does not have as strong jaws as t rex
Sail? What sail? And the jaws don't decide this battle, size and overall power does.
T rex has power spino just has size.
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SpinoInWonderland
The madness has come back...
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Nate
Apr 5 2013, 01:32 AM
brolyeuphyfusion
Apr 5 2013, 01:29 AM
Nate
Apr 5 2013, 01:27 AM
Spino is not as agile as t rex because of his sail and he neck seems long, t rex can bite the neck or body before spinosaurus can try to dodge it. Spino was also designed for eating fish and does not have as strong jaws as t rex
Sail? What sail? And the jaws don't decide this battle, size and overall power does.
T rex has power spino just has size.
Tyrannosaurus does have power, but Spinosaurus has more power than Tyrannosaurus, if you say otherwise you have just failed biology and physics.

Being able to walk, alone already gives the 10+ tonne theropod much more power than Tyrannosaurus.
Edited by SpinoInWonderland, Apr 5 2013, 01:37 AM.
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Deleted User
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brolyeuphyfusion
Apr 5 2013, 01:36 AM
Nate
Apr 5 2013, 01:32 AM
brolyeuphyfusion
Apr 5 2013, 01:29 AM
Nate
Apr 5 2013, 01:27 AM
Spino is not as agile as t rex because of his sail and he neck seems long, t rex can bite the neck or body before spinosaurus can try to dodge it. Spino was also designed for eating fish and does not have as strong jaws as t rex
Sail? What sail? And the jaws don't decide this battle, size and overall power does.
T rex has power spino just has size.
Tyrannosaurus does have power, but Spinosaurus has more power than Tyrannosaurus, if you say otherwise you have just failed biology and physics.

Being able to walk, alone already gives the 10+ tonne theropod much more power than Tyrannosaurus.
Spinosaurus is very slow and has thin jaws built I.M.O for catching fish t rex has a stronger bite force,teeth better designed for large animals and agility. I saw a lot of your t rex v comments imo your biased towards it.
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SpinoInWonderland
The madness has come back...
[ *  *  *  *  *  *  *  * ]
Nate
Apr 5 2013, 01:40 AM
brolyeuphyfusion
Apr 5 2013, 01:36 AM
Nate
Apr 5 2013, 01:32 AM
brolyeuphyfusion
Apr 5 2013, 01:29 AM
Nate
Apr 5 2013, 01:27 AM
Spino is not as agile as t rex because of his sail and he neck seems long, t rex can bite the neck or body before spinosaurus can try to dodge it. Spino was also designed for eating fish and does not have as strong jaws as t rex
Sail? What sail? And the jaws don't decide this battle, size and overall power does.
T rex has power spino just has size.
Tyrannosaurus does have power, but Spinosaurus has more power than Tyrannosaurus, if you say otherwise you have just failed biology and physics.

Being able to walk, alone already gives the 10+ tonne theropod much more power than Tyrannosaurus.
Spinosaurus is very slow and has thin jaws built I.M.O for catching fish t rex has a stronger bite force,teeth better designed for large animals and agility. I saw a lot of your t rex v comments imo your biased towards it.
Physical attributes matter more than lifestyle. By your logic, Tyrannosaurus would defeat Apatosaurus in a fight.

And Spinosaurus' speed is unknown, don't jump to conclusions about it. And I'm not biased towards Tyrannosaurus, that would make me a Tyrannosaurus fanboy, which I'm not.

I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
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Deleted User
Deleted User

brolyeuphyfusion
Apr 5 2013, 01:45 AM
Nate
Apr 5 2013, 01:40 AM
brolyeuphyfusion
Apr 5 2013, 01:36 AM
Nate
Apr 5 2013, 01:32 AM
brolyeuphyfusion
Apr 5 2013, 01:29 AM
Nate
Apr 5 2013, 01:27 AM
Spino is not as agile as t rex because of his sail and he neck seems long, t rex can bite the neck or body before spinosaurus can try to dodge it. Spino was also designed for eating fish and does not have as strong jaws as t rex
Sail? What sail? And the jaws don't decide this battle, size and overall power does.
T rex has power spino just has size.
Tyrannosaurus does have power, but Spinosaurus has more power than Tyrannosaurus, if you say otherwise you have just failed biology and physics.

Being able to walk, alone already gives the 10+ tonne theropod much more power than Tyrannosaurus.
Spinosaurus is very slow and has thin jaws built I.M.O for catching fish t rex has a stronger bite force,teeth better designed for large animals and agility. I saw a lot of your t rex v comments imo your biased towards it.
Physical attributes matter more than lifestyle. By your logic, Tyrannosaurus would defeat Apatosaurus in a fight.

And Spinosaurus' speed is unknown, don't jump to conclusions about it. And I'm not biased towards Tyrannosaurus, that would make me a Tyrannosaurus fanboy, which I'm not.

I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
Ok so you tell me why you think spinosaurus would win or what you think it can do.
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Monitor X
Autotrophic Organism
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brolyeuphyfusion
Apr 5 2013, 01:45 AM


I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
I would say you think of it as a limitation with dinosaurian attributes ! :D

BREAKING NEWS : others dinosaurs have TOO limitations !
Edited by Monitor X, Apr 5 2013, 01:56 AM.
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SpinoInWonderland
The madness has come back...
[ *  *  *  *  *  *  *  * ]
Nate
Apr 5 2013, 01:50 AM
brolyeuphyfusion
Apr 5 2013, 01:45 AM
Nate
Apr 5 2013, 01:40 AM
brolyeuphyfusion
Apr 5 2013, 01:36 AM
Nate
Apr 5 2013, 01:32 AM
brolyeuphyfusion
Apr 5 2013, 01:29 AM
Nate
Apr 5 2013, 01:27 AM
Spino is not as agile as t rex because of his sail and he neck seems long, t rex can bite the neck or body before spinosaurus can try to dodge it. Spino was also designed for eating fish and does not have as strong jaws as t rex
Sail? What sail? And the jaws don't decide this battle, size and overall power does.
T rex has power spino just has size.
Tyrannosaurus does have power, but Spinosaurus has more power than Tyrannosaurus, if you say otherwise you have just failed biology and physics.

Being able to walk, alone already gives the 10+ tonne theropod much more power than Tyrannosaurus.
Spinosaurus is very slow and has thin jaws built I.M.O for catching fish t rex has a stronger bite force,teeth better designed for large animals and agility. I saw a lot of your t rex v comments imo your biased towards it.
Physical attributes matter more than lifestyle. By your logic, Tyrannosaurus would defeat Apatosaurus in a fight.

And Spinosaurus' speed is unknown, don't jump to conclusions about it. And I'm not biased towards Tyrannosaurus, that would make me a Tyrannosaurus fanboy, which I'm not.

I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
Ok so you tell me why you think spinosaurus would win or what you think it can do.
It could overpower the tyrannosaur, knocking it down, then finish it off.

At this scale, size is one of the greatest factors in the fight. The square-cube law is the reason why. As mass increases by the cube, strength only goes up by the square. Larger creatures thus have less proportional strength but more absolute strength.

This means that the larger an animal gets, the more vulnerable it is to forces of it's own size or larger.
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SpinoInWonderland
The madness has come back...
[ *  *  *  *  *  *  *  * ]
Monitor X
Apr 5 2013, 01:54 AM
brolyeuphyfusion
Apr 5 2013, 01:45 AM


I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
I would say you think of it as a limitation with dinosaurian attributes ! :D
Now that doesn't even make any sense.

Monitor X
 
BREAKING NEWS : others dinosaurs have TOO limitations !

They do, that's true, but the level of their limitations are different, and it just so happens that there are dinosaurs with higher limits than Tyrannosaurus.
Example: A Shantungosaurus' strength limits are much higher than that of a Tyrannosaurus'
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Monitor X
Autotrophic Organism
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brolyeuphyfusion
Apr 5 2013, 01:55 AM
Nate
Apr 5 2013, 01:50 AM
brolyeuphyfusion
Apr 5 2013, 01:45 AM
Nate
Apr 5 2013, 01:40 AM
brolyeuphyfusion
Apr 5 2013, 01:36 AM
Nate
Apr 5 2013, 01:32 AM
brolyeuphyfusion
Apr 5 2013, 01:29 AM
Nate
Apr 5 2013, 01:27 AM
Spino is not as agile as t rex because of his sail and he neck seems long, t rex can bite the neck or body before spinosaurus can try to dodge it. Spino was also designed for eating fish and does not have as strong jaws as t rex
Sail? What sail? And the jaws don't decide this battle, size and overall power does.
T rex has power spino just has size.
Tyrannosaurus does have power, but Spinosaurus has more power than Tyrannosaurus, if you say otherwise you have just failed biology and physics.

Being able to walk, alone already gives the 10+ tonne theropod much more power than Tyrannosaurus.
Spinosaurus is very slow and has thin jaws built I.M.O for catching fish t rex has a stronger bite force,teeth better designed for large animals and agility. I saw a lot of your t rex v comments imo your biased towards it.
Physical attributes matter more than lifestyle. By your logic, Tyrannosaurus would defeat Apatosaurus in a fight.

And Spinosaurus' speed is unknown, don't jump to conclusions about it. And I'm not biased towards Tyrannosaurus, that would make me a Tyrannosaurus fanboy, which I'm not.

I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
Ok so you tell me why you think spinosaurus would win or what you think it can do.
It could overpower the tyrannosaur, knocking it down, then finish it off.

At this scale, size is one of the greatest factors in the fight. The square-cube law is the reason why. As mass increases by the cube, strength only goes up by the square. Larger creatures thus have less proportional strength but more absolute strength.

This means that the larger an animal gets, the more vulnerable it is to forces of it's own size or larger.
But Spinosaurus is not simply (possibly) larger what counts too is the robustness of its body and its fighting apparatus.

Posted Image

Sue's mandible just put to shame even the so much larger Spinosaurus. And jaws design is one major decisive key in the question, not only size. Size which is still heavily disputed for Spinosaurus.
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Monitor X
Autotrophic Organism
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brolyeuphyfusion
Apr 5 2013, 02:00 AM
Monitor X
Apr 5 2013, 01:54 AM
brolyeuphyfusion
Apr 5 2013, 01:45 AM


I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
I would say you think of it as a limitation with dinosaurian attributes ! :D
Now that doesn't even make any sense.

Monitor X
 
BREAKING NEWS : others dinosaurs have TOO limitations !

They do, that's true, but the level of their limitations are different, and it just so happens that there are dinosaurs with higher limits than Tyrannosaurus.
Example: A Shantungosaurus' strength limits are much higher than that of a Tyrannosaurus'
Now that becomes ridiculous.

Some dinosaurs have higher limitations than Tyrex ? What limitations ? What is true is that in the biting department, Tyrex put to shame any other carnivore. That's a limit !
Edited by Monitor X, Apr 5 2013, 02:03 AM.
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SpinoInWonderland
The madness has come back...
[ *  *  *  *  *  *  *  * ]
Monitor X
Apr 5 2013, 02:01 AM
brolyeuphyfusion
Apr 5 2013, 01:55 AM
Nate
Apr 5 2013, 01:50 AM
brolyeuphyfusion
Apr 5 2013, 01:45 AM
Nate
Apr 5 2013, 01:40 AM
brolyeuphyfusion
Apr 5 2013, 01:36 AM
Nate
Apr 5 2013, 01:32 AM
brolyeuphyfusion
Apr 5 2013, 01:29 AM
Nate
Apr 5 2013, 01:27 AM
Spino is not as agile as t rex because of his sail and he neck seems long, t rex can bite the neck or body before spinosaurus can try to dodge it. Spino was also designed for eating fish and does not have as strong jaws as t rex
Sail? What sail? And the jaws don't decide this battle, size and overall power does.
T rex has power spino just has size.
Tyrannosaurus does have power, but Spinosaurus has more power than Tyrannosaurus, if you say otherwise you have just failed biology and physics.

Being able to walk, alone already gives the 10+ tonne theropod much more power than Tyrannosaurus.
Spinosaurus is very slow and has thin jaws built I.M.O for catching fish t rex has a stronger bite force,teeth better designed for large animals and agility. I saw a lot of your t rex v comments imo your biased towards it.
Physical attributes matter more than lifestyle. By your logic, Tyrannosaurus would defeat Apatosaurus in a fight.

And Spinosaurus' speed is unknown, don't jump to conclusions about it. And I'm not biased towards Tyrannosaurus, that would make me a Tyrannosaurus fanboy, which I'm not.

I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
Ok so you tell me why you think spinosaurus would win or what you think it can do.
It could overpower the tyrannosaur, knocking it down, then finish it off.

At this scale, size is one of the greatest factors in the fight. The square-cube law is the reason why. As mass increases by the cube, strength only goes up by the square. Larger creatures thus have less proportional strength but more absolute strength.

This means that the larger an animal gets, the more vulnerable it is to forces of it's own size or larger.
But Spinosaurus is not simply (possibly) larger what counts too is the robustness of its body and its fighting apparatus.

Posted Image

Sue's mandible just put to shame even the so much larger Spinosaurus. And jaws design is one major decisive key in the question, not only size. Size which is still heavily disputed for Spinosaurus.
Tyrannosaurus' jaws are made for taking on large armored/armed prey, of course it's going to be more impressive when it comes to the head. The thing is that the jaws are only part of the equation.

Size of Spinosaurus may be disputed, however, most of the estimates make Spinosaurus the larger one.

Tyrannosaurus' estimates: 5 tonnes(Walking With Dinosaurs) to ~9.5 tonnes(fat 3d model)
Spinosaurus' estimates: 7 tonnes(lower bound of Dal Sasso's mass estimates) to 20.7 tonnes(Therrien and Henderson's mass estimate)
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Monitor X
Apr 5 2013, 01:54 AM
brolyeuphyfusion
Apr 5 2013, 01:45 AM


I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
I would say you think of it as a limitation with dinosaurian attributes ! :D

BREAKING NEWS : others dinosaurs have TOO limitations !
Trex would bite spino if it came near, and spinosaurus is not agile at all please don't tell me its going to dodge the trex bite.
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Deleted User
Deleted User

quoted wrong comment...
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SpinoInWonderland
The madness has come back...
[ *  *  *  *  *  *  *  * ]
Monitor X
Apr 5 2013, 02:02 AM
brolyeuphyfusion
Apr 5 2013, 02:00 AM
Monitor X
Apr 5 2013, 01:54 AM
brolyeuphyfusion
Apr 5 2013, 01:45 AM


I'm not biased against Tyrannosaurus either, I just don't think of it as a super dinosaur, instead I think of it as a dinosaur with limitations.
I would say you think of it as a limitation with dinosaurian attributes ! :D
Now that doesn't even make any sense.

Monitor X
 
BREAKING NEWS : others dinosaurs have TOO limitations !

They do, that's true, but the level of their limitations are different, and it just so happens that there are dinosaurs with higher limits than Tyrannosaurus.
Example: A Shantungosaurus' strength limits are much higher than that of a Tyrannosaurus'
Now that becomes ridiculous.

Some dinosaurs have higher limitations than Tyrex ? What limitations ? What is true is that in the biting department, Tyrex put to shame any other carnivore. That's a limit !
How is the idea of Tyrannosaurus being surpassed ridiculous? Or is that meant to address the first part of my post? If so, a limitation isn't exactly something which can have the attributes of a living creature.

And about the biting department, megalosaurids have skulls with a greater mechanical advantage than tyrannosauroids. Torvosaurus and/or Edmarka could possibly have rivaled if not exceeded Tyrannosaurus in the biting department, with the combination of larger skulls and higher mechanical advantage.

Also consider that there may have been an undiscovered theropod with an even higher bite force. The possibility of a theropod with a more powerful bite than Tyrannosaurus shouldn't be dismissed.
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Sheroo
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Spinosaurus: Bigger, possibly stronger, more intimidating, possibly faster.

Tyrannosaurus: More advanced; brain, eyesight similar to that of an eagle, bite (35,000-57,000 N) , better designed to tackle large prey, better dentition for fighting large dinosaurs which might aid it against Spinosaurus, thicker skull and "frame".

Guess T.rex wins IMO.

That's all I can think for now and no I am NOT biased. I hate biased people.
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