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Natural Environment How Human History has been impacted by the environment, science, nature, geography, weather, and natural phenomena


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Old October 29th, 2017, 06:59 PM   #11

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Do any people consider birds "underrated dinosaurs"?
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Old October 30th, 2017, 02:03 AM   #12

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interesting question. I guess the name and Jurassic Park give it away. Also, it probably was one fo the first large dinosaurs to be found.

But any species named King Tyranny Lizard is badass.
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Old October 30th, 2017, 03:13 AM   #13
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Salah
Quote:
It seems to me that the carcharodontosaurids (such as Giganotosaurus, often, if incorrectly, toted as the only theropod bigger than T. rex) and really the allosauroid forms in general are under-appreciated. These guys tackled sauropods to an extent that was definitely unnecessary, and perhaps even impossible, for Tyrannosaurus.
Tyrannosaurus at least in theory could prey upon sauropods as well ... Alamosaurus, a quite big sauropod (28-30 m ) coexisted with Tyrannosaurus. We lack firm evidences that Tyrannosaurus actually preyed upon Alamosaurus, but we can't exclude this, because those species lived in the same time and in the same area.
https://en.wikipedia.org/wiki/Alamosaurus


Fight Tyrannosaurus vs. Alamosaurs would be far more interesting, than boring skirmish with Triceratops or chasing Edmontosaurus.
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interesting question. I guess the name and Jurassic Park give it away. Also, it probably was one fo the first large dinosaurs to be found.

Fact that Tyrannosaurus was discovered as one of first big predatory dinosaur explain only partially, because a some big theropod were discovered long before him:

Let's compare.

Megalosaurus 1827
Allosaurus 1877
Ceratosaurus 1884
Tyrannosaurus Osborn 1905
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Old October 30th, 2017, 04:36 AM   #14

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T.rex may not have been the biggest theropod, but they still had the strongest bite, and that counts for a lot. What also counts, and I would say more so than bite force, is that tyranosaurs, being coelurosaur theropods, had a brain proportionally twice the size of all previous theropods. This size increase is in the basic brain, so it is not the just large olfactory bulbs of T.rex that make it's brain case bigger, the "thinking" part of it's brain was also bigger.

If, time periods excepted, you put a T.rex against any other large theropod, it would smell it and locate it first, and with it's better binocular vision see it first. It would then out think it and out bite it. If they were tanks it would be like a T.rex as an M1 and a Giganotosaur as an M-60, and an Allosaur as an M-48. T.rex is the king and not to be underestimated.
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Old October 30th, 2017, 04:42 AM   #15

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Originally Posted by Troodon View Post
Tyrannosaurus wasn't the largest predatory dinosaur species - we know at least nine meat-eating dinosaur larger than him. However, it is Tyrannosaurus, who moves imagination of people and is depicted in thousands of books, movies and games. If you ask random person meet at the street about dinosaurs he or she knows, Tyrannosaurus will be first, if not only species mentioned. Tyrannosaurus became a symbol of dinosaurs.


Click the image to open in full size.

I have impression, that Tyrannosaurus receives disproportionately much atttention, in comparison to other huge theropods. Why? Why not Carcharodontosaurus for example? For catchy name? Tyrannosaurus wasn't first huge predatory dinosaur to be discovered - Allosaurus, for example was discovered nearly thirty years before its.
he was probably the first of the ancient largest predators to be discovered therefore he is not overrated but is the one that mostly stuck in people imagination cause he had more time to do so.

Last edited by gustavolapizza; October 30th, 2017 at 04:46 AM.
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Old October 30th, 2017, 05:11 AM   #16

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I always had a thing for "big Alice." The San Fran museum had one posed where when you walked into the room it was located, you walk almost into it's arms as it's grabbing at you.
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Old October 30th, 2017, 05:41 AM   #17

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Originally Posted by Troodon View Post
Salah
Tyrannosaurus at least in theory could prey upon sauropods as well ... Alamosaurus, a quite big sauropod (28-30 m ) coexisted with Tyrannosaurus. We lack firm evidences that Tyrannosaurus actually preyed upon Alamosaurus, but we can't exclude this, because those species lived in the same time and in the same area.
It's quite possible that Tyrannosaurus originally evolved to prey on Alamosaurus. We now know it was an armored sauropod as well as a big one, so that would explain the evolution of robust teeth and tremendous jaw power in T.rex, besides its large overall size. Unlike A. fragilis and C saharicus etc, T. rex had to penetrate its prey not just slash it.


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Fight Tyrannosaurus vs. Alamosaurs would be far more interesting, than boring skirmish with Triceratops or chasing Edmontosaurus.
Fights against them and A. magniventris are all interesting to me. Another remarkable feature of T. rex was its apparent ability to take on any contemporary defense. In addition to its fighting prowess, it had excellent senses to locate prey and was capable of swift movement.
With its ability to take on anybody, it's not surprising T. rex was the sole apex predator, essentially, in Laramidia c 68-66 Ma.


Quote:
Fact that Tyrannosaurus was discovered as one of first big predatory dinosaur explain only partially, because a some big theropod were discovered long before him:

Let's compare.

Megalosaurus 1827
Allosaurus 1877
Ceratosaurus 1884
Tyrannosaurus Osborn 1905
Right and in addition other very large theropods such as C. saharicus and A atokensis have been known for a long time.
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Old October 30th, 2017, 05:46 AM   #18

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Originally Posted by Corvidius View Post
T.rex may not have been the biggest theropod, but they still had the strongest bite, and that counts for a lot. What also counts, and I would say more so than bite force, is that tyranosaurs, being coelurosaur theropods, had a brain proportionally twice the size of all previous theropods. This size increase is in the basic brain, so it is not the just large olfactory bulbs of T.rex that make it's brain case bigger, the "thinking" part of it's brain was also bigger.
Sure the cerebrum.

Quote:
If, time periods excepted, you put a T.rex against any other large theropod, it would smell it and locate it first, and with it's better binocular vision see it first. It would then out think it and out bite it. If they were tanks it would be like a T.rex as an M1 and a Giganotosaur as an M-60, and an Allosaur as an M-48. T.rex is the king and not to be underestimated.
Compare the Lance/Hell Creek with say, the Candeleros/Huincul. Look at all the big theropods that appear to have coexisted in the latter units (among them Giganotosaurus, Taurovenator, Skorpiovenator etc). Apparently resources were partitioned among a variety of theropods. In the Hell Creek T. rex had it all to himself...Surely that says something
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Old October 30th, 2017, 06:44 AM   #19
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Nanotyrannus is possible another species of big predator from Hell Creek Formation. However, many scholars believe that Nanotyrannus is really Tyrannosaurus and suggested differences between them are explainable by age (specimens labelled as Nanotyrannous in their opinion are belongs to young T. rex). However, debate last.
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Old October 31st, 2017, 02:23 AM   #20

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Originally Posted by Troodon View Post
Nanotyrannus is possible another species of big predator from Hell Creek Formation. However, many scholars believe that Nanotyrannus is really Tyrannosaurus and suggested differences between them are explainable by age (specimens labelled as Nanotyrannous in their opinion are belongs to young T. rex). However, debate last.
Well, nobody doubts Dakotaraptor is valid. Still I think it was an anomaly, arising in some small area where T.rex was somehow excluded and perhaps only briefly. To be known from a single specimen found a century after prospecting in the Hell Creek suggests as much.
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