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A Break from Tradition


Dikiyoba

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Originally Posted By: Diplodocus
Actually: It also had keratinous spines all along its neck and back.

esumq8.jpg
Mind: blown.

I've always seen Diplodocus portrayed the same way. Even had a poster of one when I was younger. But I think I would have had the poster before ~1993, which is when the evidence of the spines were first found (according the Wikipedia).

Still. Mind: blown.
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12. Hypsilophodon

 

Hypsilophodon was a small, bipedal ornithischian. For over a century it was considered an arboreal dinosaur due to the fact that the first drawing of it mistakenly showed a reversed toe on each foot.

 

Actually: Hypsilophodon lived solely on the ground and was an extremely fast runner.

 

Hypsilophodon-freewebs.jpg

 

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Yes, Dikiyoba is back.

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13. Coelophysis

 

Description: Coelophysis was a small, primitive theropod. Coelophysis was a cannibal, as shown by the remains of a juvenile Coelophysis in one of them.

 

Actually: There is no evidence that Coelophysis was cannibalistic. The creature in its stomach was actually a lizard.

 

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Dikiyoba can't help but feel that something is dreadfully wrong here.

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14. Giraffatitan

 

Giraffatitan was a sauropod very closely related to Brachiosaurus. (In fact, for a while it was considered a species of Brachiosaurus.) Its nostrils were situated at the top of its head.

 

Actually: Giraffatitan had nostrils near the end of its snout like most animals. So why are the nasal openings so high on the skull? No one knows, but it might have had some sort of resonating chamber there.

 

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Dikiyoba.

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Originally Posted By: Giraffatitan
14. Giraffatitan

Giraffatitan was a sauropod very closely related to Brachiosaurus. (In fact, for a while it was considered a species of Brachiosaurus.) Its nostrils were situated at the top of its head.

Actually: Giraffatitan had nostrils near the end of its snout like most animals. So why are the nasal openings so high on the skull? No one knows, but it might have had some sort of resonating chamber there.

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Dikiyoba.

But how did they figure that out (the nostrils now agreed upon position, that is)?
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Originally Posted By: Giraffatitan
I don't know.

Dikiyoba is going to go with the explanation of "time machine".
That can be used to explain nearly everything.
Like the question of what happened to Richard White. "Time Machine!"
Or the question of why did the chicken cross the road? "Time Machine!"
Why is the sky blue? "Time Machine!"
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17. Montanoceratops

 

Montanoceratops was an early ceratopsian with a small frill and a horn on its nose.

 

Actually: This is the dinosaur that should have been named Arrhinoceratops, because it didn't actually have a horn on its nose. Instead, it one small horn on each cheek.

 

Dikiyoba would post a picture of it, but the new reconstruction is so new there aren't any good pictures of it available.

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18. Dilophosaurus

 

Remember those little guys with the head crests, neck frill, and ability to spit venom at bad guys in Jurassic Park? That's Dilophosaurus.

 

Actually: There's no sign of a neck frill or of venom in Dilophosaurus. On the other hand, it was actually 20 feet long and stood at about the right height to rip your head off, so...

 

dilophosaurus.jpg

 

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Dikiyoba.

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He asked it in a general sense. I feel comfortable trying to answer. tongue

 

A lot of it has to do with knowing a lot about anatomy and evolution, getting lucky with really good fossils, and being able to make inferences from living species. Venomous saliva wouldn't fossilize, but the venom fangs of a rattlesnake or cobra might. A bone neck frill is pretty obvious, but a skin one probably wouldn't show up unless an organism ends up in some really fine-grained sediment that preserves skin impressions. (Similarly, in the case of many bird and dinosaur fossils coming out of China in the past few decades, feather impressions.) There's even been a few cases where fossils have been in good enough condition to extract proteins and learn something from that. There is a certain amount of guesswork to it, though.

 

Unless it's a pop culture representation, in which case it's probably depicted like that just because it looks cool. tongue

 

Dikiyoba

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The truth is probably that dinosaurs had an advanced technological civilization, but were smart enough to make all of it very biodegradable. So we picture them wallowing near the shores of ancient seas, and so on, when in fact they were probably sitting around watching HDTV on their organic superconductor displays, or blasting off in eco-friendly FTL starcruisers to battle the Centaurans for control of the sector. Victoriously, of course.

 

Rich dinosaurs across much of Saurian space used to indulge the expensive tradition of interring the bones of dead relatives in tarpits back on Earth. The practice died out after Konvoluvulous XXXVII cremated his beloved great aunt's remains with an asteroid, and better families began to view the entire practice as a vulgar excess. This led to the current saurian practice of shrinking their dead to a few inches in height, after transmuting their substance into durable organic compounds, and scattering them across the cosmos in little cardboard packages.

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Originally Posted By: Dikiyoba
Remember those little guys with the head crests, neck frill, and ability to spit venom at bad guys in Jurassic Park? That's Dilophosaurus.

Actually: There's no sign of a neck frill or of venom in Dilophosaurus. On the other hand, it was actually 20 feet long and stood at about the right height to rip your head off, so...
(To be fair, the Dilophosaurs in the novel were full-sized, and didn't have neck frills. They were still poisonous. Don't know why they were changed in the movie -- probably to make them distinct from the other two carnivores.)
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Originally Posted By: Dintiradan
Originally Posted By: Dikiyoba
Remember those little guys with the head crests, neck frill, and ability to spit venom at bad guys in Jurassic Park? That's Dilophosaurus.

Actually: There's no sign of a neck frill or of venom in Dilophosaurus. On the other hand, it was actually 20 feet long and stood at about the right height to rip your head off, so...
(To be fair, the Dilophosaurs in the novel were full-sized, and didn't have neck frills. They were still poisonous. Don't know why they were changed in the movie -- probably to make them distinct from the other two carnivores.)


The changed quite a few things from the book for the movie. Although, the first movie did at least resemble the first novel. The same cannot be said for the second film.
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19. Compsognathus

 

Compsognathus once held the title as the smallest known dinosaur, being only about the size of a chicken. It may have had feathers.

 

Actually: The chicken-sized specimen was a juvenile. An adult Compsognathus was larger, though still only about a meter long. And although many closely related species had primitive feathers, skin impressions show that Compsognathus did not.

 

Compsognathus.jpg

 

(Evidence that Compsognathus would have made a wonderful pet is lacking, but Dikiyoba is sure the answer is yes.)

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Originally Posted By: Dintiradan
Also, they eat poop. Ew.

So do dogs. That doesn't seem to stop people from owning them. tongue

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20. Efraasia

Efraasia was a small, primitive sauropodomorph. It was only about 7 feet long.

Actually: Efrassia was about 20 feet long. Like Compsognathus, the original specimen was a was a juvenile mistaken for an adult.

1213763415-t.jpg

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Dikiyoba.
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21. Microvenator

 

Microvenator was a small, feathered Oviraptor-like theropod. It had an exceptionally large head and big teeth for its size.

 

Actually: The teeth originally identified as belonging to Microvenator actually belonged to a larger theropod, Deinonychus. We can't say for sure what the head actually looked like since only pieces of the skull have been found, but it was probably typical for its size.

 

250px-Microvenator.jpg

 

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Dikiyoba.

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I'm not quite sure what you're asking, but the answer to every question I can think of is yes. Dinosaurs are classified as a superorder in the class of reptiles. There are two orders. One, the saurischians, is composed of theropods (all bipedal, usually carnivorous dinosaurs, such as Tyrannosaurus) and sauropodmorphs (sauropods and precursors, such as Diplodocus). The other, the ornithischians, contains various herbivorous groups like stegosaurs (duh), ceratopsians (Arrhinoceratops), and ornithopods (Iguanodon). Does that answer it?

 

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22. Pachycephalosaurus

 

Pachycephalosaurus was the bighorn sheep of dinosaurs. It was a bipedal ornithischian with an extremely thick dome (up to 9 inches!) at the top of its skull. It used all this extra bone in headbutting constests against others of its own kind.

 

Actually: The shape of the dome would have made it difficult for head-on collisons to land a solid blow, and the neck would have had a hard time dealing with the impact. Instead, it probably headbutted its rivals' flanks.

 

Pachycephalosaurus.jpg

 

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Dikiyoba.

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23. Tyrannosaurus

 

Hopefully, we all know what Tyrannosaurus rex looked like: an enormous theropod with a large head, serrated teeth, and stupidly tiny forearms. (Those of you who read Cracked regularly would probably add feathers to the description.) One of the reasons Tyrannosaurus is so famous is because we have numerous and fairly complete specimens of it. We can even tell that Tyrannosaurus was sexually dimorphic, with females being larger and stockier than the males.

 

Actually: We don't know for sure whether Tyrannosaurus was sexually dimorphic or not. The strongest piece of evidence was proved completely wrong, so all we're left with is a bit of circumstantial evidence. The sex of one of the larger specimens has been definitively proven to be female, but one isn't exactly an adequate sample size.

 

Also: Tyrannosaurus adults did not have feathers. Skin impressions have been found and show no trace of feathers. Plus, Tyrannosaurus was so big it wouldn't have needed feathers for insulation. Other, smaller tyrannosaurids had feathers, so Tyrannosaurus juveniles may have had them too, but the adults did not.

 

(Dikiyoba can't help but be amused by the PDN/title combination of Dikiyoba's profile.)

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I remember some dinosaur documentary a while back saying that the Tyrannosaurus's nearest modern relative was the chicken. If it's true, then the mighty have indeed fallen, and fallen far.

 

Quote:
(Dikiyoba can't help but be amused by the PDN/title combination of Dikiyoba's profile.)
I too enjoyed the combo. Not quite an lol, but definitely deserving of a chuckle or three.
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