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* TheDayTheDinosaursDied: The last segment depicts [[https://en.wikipedia.org/wiki/Lancian Lancian]] fauna at the very end of the Late Cretaceous, and ends with the asteroid striking the Earth, sweeping over the landscape with a fiery blast wave and wiping out 70% of all life.
* DecompositeCharacter: Accidental example. [[https://zdig.org/zdig-dispatch-gazette/2019/5/4/3pg6ogxicn52t3duo3zp6xuh1qwe5j Due to the producers having to deal with a misclassification discovered halfway through production]], [[https://en.wikipedia.org/wiki/Suskityrannus the Zuni theropod]] (eventually named ''Suskityrannus'') wound up being split into two different dinosaurs; the Zuni raptors (as the find was originally interpreted as a dromaeosaur), who are focal characters, and a generic coelurosaur, who is given a minor role in the segment.



* DecompositeCharacter: Accidental example. [[https://zdig.org/zdig-dispatch-gazette/2019/5/4/3pg6ogxicn52t3duo3zp6xuh1qwe5j Due to the producers having to deal with a misclassification discovered halfway through production]], [[https://en.wikipedia.org/wiki/Suskityrannus the Zuni theropod]] (eventually named ''Suskityrannus'') wound up being split into two different dinosaurs; the Zuni raptors (as the find was originally interpreted as a dromaeosaur), who are focal characters, and a generic coelurosaur, who is given a minor role in the segment.
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** ''Quetzalcoatlus'' is depicted as being slow and clumsy on the ground and having difficulty taking off, when in fact it was quite fast and comfortable on the ground and could take off relatively easily: ''Azhdarchids'' spent a considerable amount of time on the ground, like giraffe-sized storks and due to being able to gallop and jump using the muscles in all four limbs rather than just their hind limbs they could get airborne fairly easily in spite of their bulk.

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** ''Quetzalcoatlus'' is depicted as being slow and clumsy on the ground and having difficulty taking off, when in fact it was quite fast and comfortable on the ground and could take off relatively easily: ''Azhdarchids'' spent a considerable amount of time on the ground, like giraffe-sized storks and due to being able to gallop and jump using the muscles in all four limbs rather than just their hind limbs they could get airborne fairly easily in spite of their bulk. Granted, this documentary was made before it was determined that azhdarchids were agile on ground.
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** The theropod hands shouldn't be pronated (kangaroo-like). Their palms actually faced towards each other.

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** The While the theropod hands shouldn't be are correctly shown facing each other in most scenes, they are shown as pronated (kangaroo-like). Their palms actually faced towards each other.(kangaroo-like) in some shots.
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* DecompositeCharacter: Accidental example. [[https://zdig.org/zdig-dispatch-gazette/2019/5/4/3pg6ogxicn52t3duo3zp6xuh1qwe5j Due to the producers having to deal with a misclassification discovered halfway through production]], the [[https://en.wikipedia.org/wiki/Suskityrannus the Zuni theropod]] (eventually named ''Suskityrannus'') wound up being split into two different dinosaurs; the Zuni raptors (as the find was originally interpreted as a dromaeosaur), who are focal characters, and a generic coelurosaur, who is given a minor role in the segment.

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* DecompositeCharacter: Accidental example. [[https://zdig.org/zdig-dispatch-gazette/2019/5/4/3pg6ogxicn52t3duo3zp6xuh1qwe5j Due to the producers having to deal with a misclassification discovered halfway through production]], the [[https://en.wikipedia.org/wiki/Suskityrannus the Zuni theropod]] (eventually named ''Suskityrannus'') wound up being split into two different dinosaurs; the Zuni raptors (as the find was originally interpreted as a dromaeosaur), who are focal characters, and a generic coelurosaur, who is given a minor role in the segment.
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* WolverineClaws: ''Nothronychus''.

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* WolverineClaws: ''Nothronychus''.
''Nothronychus'' has unusually large claws.
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** Contrary to popular belief, the Quetzalcoatlus isn't entirety scaly and is actually depicted with pycnofibers.[[note]]Though it should probably have more.[[/note]]

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** Contrary to popular belief, the The Quetzalcoatlus isn't entirety scaly and is actually depicted with pycnofibers.[[note]]Though it should probably have more.[[/note]]
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** Contrary to popular belief, the Quetzalcoatlus is actually depicted with pycnofibers.[[note]]Though it should probably have more.[[/note]]

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** Contrary to popular belief, the Quetzalcoatlus isn't entirety scaly and is actually depicted with pycnofibers.[[note]]Though it should probably have more.[[/note]]
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** Contrary to popular belief, the Quetzalcoatlus is actually depicted with pycnofibers.[[note]]Though it should probably have more.[[/note]]
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trope does not apply to this work


* HemisphereBias: It's in the title: its all North American life here.
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spelling mistake


* BewareMyStingerTail: ''Stegosaurus'' and ''Desmatosuchus'' both use armoured tsails to defend themselves against predators. ''Ceratosaurus'' finds this out the hard way.

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* BewareMyStingerTail: ''Stegosaurus'' and ''Desmatosuchus'' both use armoured tsails tails to defend themselves against predators. ''Ceratosaurus'' finds this out the hard way.
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The Quetzalcoatlus does actually have pycnofiber's. You can see them in the close-up shots.


** ''Quetzalcoatlus'' is depicted as being scaly (all pterosaurs probably had coats of "pycnofibres"). It's also depicted as being slow and clumsy on the ground and having difficulty taking off, when in fact it was quite fast and comfortable on the ground and could take off relatively easily: ''Azhdarchids'' spent a considerable amount of time on the ground, like giraffe-sized storks and due to being able to gallop and jump using the muscles in all four limbs rather than just their hind limbs they could get airborne fairly easily in spite of their bulk.

to:

** ''Quetzalcoatlus'' is depicted as being scaly (all pterosaurs probably had coats of "pycnofibres"). It's also depicted as being slow and clumsy on the ground and having difficulty taking off, when in fact it was quite fast and comfortable on the ground and could take off relatively easily: ''Azhdarchids'' spent a considerable amount of time on the ground, like giraffe-sized storks and due to being able to gallop and jump using the muscles in all four limbs rather than just their hind limbs they could get airborne fairly easily in spite of their bulk.
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* FeatheredFiend: The documentary famously depicted many dinosaurs with feathers, including "raptors" and the bizarre-looking ''Nothronychus''.

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* FeatheredFiend: The documentary famously depicted many dinosaurs with feathers, feathers for the first time, including "raptors" and the bizarre-looking ''Nothronychus''.''Nothronychus''. As for the fiend part of the trope, the raptors are carnivores and the herbivorous ''Nothronychus'' has no issue taking deadly swipes at them with its claws when they try to add it to their menu.
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** An example that is borderline this and ScienceMarchesOn are the dromaeosaurs in the Mid Cretaceous segment. Mid-way through production, the fossils which the dromaeosaurs were based on were reclassified as a much more primitive coelurosaur (later determined to be a tyrannosaur and named ''Suskityrannus''). Unfortunately, it was too late to fix, as the dromaeosaurs were the main characters. But the more accurate depiction was given a nod with the unnamed coelurosaurs which briefly appear in the episode.
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Ptero Soarer is now a redirect to Terror Dactyl which focuses more on the Prehistoric Monster aspect of pterosaurs. These examples are just inaccurate pterosaurs, which is Artistic License Paleontology.


* PteroSoarer: The ''Quetzalcoatlus'' may seem outdated by today's standards, but that's the result of [[ScienceMarchesOn science marching on]].
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* TerrifyingTyrannosaur: ''Tyrannosaurus rex'' is the "star" of the final segment, and John Goodman plays up its fearsome nature, calling it the "scourge of the American West." The documentary portrays the ''T. rex'' in two variants of terror: The fast, nimble juveniles that can chase down any prey they find, and the giant, powerful adults that can instantly kill their prey with one bite. Together, they form a formidable pack feared by all.
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* KingOfTheDinosaurs: ''Tyrannosaurus rex'' is the "star" of the final segment, which is set at the end of the Cretaceous just before the K-T mass extinction event.

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