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Trope was cut/disambiguated due to cleanup


*** ''Ephedra''-like gymnosperms fill the role of grass, as the ancestors of what would've become the angiosperms of our timeline [[ForWantofaNail died out during the extinction event]].

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*** ''Ephedra''-like gymnosperms fill the role of grass, as the ancestors of what would've become the angiosperms of our timeline [[ForWantofaNail died out during the extinction event]].event.
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** Pterosaurs were hit especially hard, with only the anurognathids making it through the impact event.
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* PointOfDivergence: The eponymous Jurassic Impact itself, where the asteroid that would have wiped out the dinosaurs in our timeline impacts the Earth in the Late Jurassic instead, changing the course of life.

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* PointOfDivergence: The eponymous Jurassic Impact itself, where the asteroid that would have wiped out the non-avian dinosaurs in our timeline impacts the Earth in the Late Jurassic instead, changing the course of life.

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* ButterflyOfDoom: Several clades were severely impacted by the Jurassic Impact.
** All dinosaurs, save for the heterodontosaurids, compsognathids and pseudobirds perish during the extinction event.
** Angiosperms never had the chance to arise as the ancestors that led to them in our timeline were wiped out during the impact event, leading to strange plants dominating the ecosystems.
** The teleosts die out completely as the result of the [[RuleofThree last of three catastrophic anoxic events dubbed "Bad Water".]]
** The lepidopterans (moths, butterflies and kin) remain in the shadows of the kalligrammatids, butterfly-like insects that are the dominant pollinators of the post-Jurassic Impact world.



* ForWantOfANail: This project radiates heavily with this trope for a few reasons:
** The asteroid strikes at the end of the Jurassic instead of the Late Cretaceous.
** Angiosperms never had the chance to arise as the ancestors that led to them in our timeline were wiped out during the impact event, leading to strange plants dominating the ecosystems.
** The teleosts die out completely as the result of the [[RuleofThree last of three catastrophic anoxic events dubbed "Bad Water".]]
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* PointOfDivergence: The eponymous Jurassic Impact itself, where the asteroid that would have wiped out the dinosaurs in our timeline impacts the Earth in the Late Jurassic instead, changing the course of life.
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''Jurassic Impact'' is a [[SpeculativeBiology speculative evolution]] project by Website/Reddit user [=u/EpicJM=] detailing the evolution of life on Earth, in an alternate timeline where the asteroid that ended the Cretaceous had hit during the Late Jurassic instead.

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''Jurassic Impact'' is a [[SpeculativeBiology speculative evolution]] project by Website/Reddit Reddit user [=u/EpicJM=] detailing the evolution of life on Earth, in an alternate timeline where the asteroid that ended the Cretaceous had hit during the Late Jurassic instead.
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*** The nothoflorans are non-angiosperm spermatophytes (seeded plants) which have evolved flowers to attract insects, not unlike the flowers we see in angiosperms. Notably, they have four petals for each flower, a numbar which no angiosperm has.

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*** The nothoflorans are non-angiosperm spermatophytes (seeded plants) which have evolved flowers to attract insects, not unlike the flowers we see in angiosperms. Notably, they have four petals for each flower, a numbar number which no angiosperm has.
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*** The nothoflorans are non-angiosperm spermatophytes (seeded plants) which have evolved flowers to attract insects, not unlike the flowers we see in angiosperms.

to:

*** The nothoflorans are non-angiosperm spermatophytes (seeded plants) which have evolved flowers to attract insects, not unlike the flowers we see in angiosperms. Notably, they have four petals for each flower, a numbar which no angiosperm has.
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*** The nothoflorans are non-angiosperm spermatophytes (seeded plants) which has evolved a colorful cone to attract insects, not unlike the flowers we see in angiosperms.

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*** The nothoflorans are non-angiosperm spermatophytes (seeded plants) which has have evolved a colorful cone flowers to attract insects, not unlike the flowers we see in angiosperms.
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*** The nothoflorans are non-angiosperm plants which has evolved a colorful cone to attract insects, not unlike the flowers we see in angiosperms.

to:

*** The nothoflorans are non-angiosperm plants spermatophytes (seeded plants) which has evolved a colorful cone to attract insects, not unlike the flowers we see in angiosperms.
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*** The nothoflorans are gingko plants which has evolved a colorful cone to attract insects, not unlike the flowers we see in angiosperms.

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*** The nothoflorans are gingko non-angiosperm plants which has evolved a colorful cone to attract insects, not unlike the flowers we see in angiosperms.
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* WordOfGod: The creator has said quite a few details about the project that haven't been seen in the posts or have been mentioned during them.
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* WordOfGod: The creator has said quite a few details about the project that haven't been seen in the posts or have been mentioned during them.

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*** The nothoflorans are gingko plants which has evolved a colorful cone to attract insects, not unlike the flowers we see in angiosperms.



** Angiosperms no longer exist, leading to strange plants dominating the ecosystems.

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** Angiosperms no longer exist, never had the chance to arise as the ancestors that led to them in our timeline were wiped out during the impact event, leading to strange plants dominating the ecosystems.
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* SpeculativeBiology: The project shows how life could have evolved if the the meteor hit in the Jurassic period instead of the Cretaceous.

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* SpeculativeBiology: The project shows how life could have evolved if the the meteor asteroid hit in the Jurassic period instead of the Cretaceous.

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** The dryowhales[[note]] a group of fully-aquatic dryolestids[[/note]] are, obviously enough, convergent with our timeline's cetaceans, but with some traits analogous to our timeline's manatees, such as the young ones breastfeeding from the mother's armpits.



* ToothyBird: The pseudobirds, direct descendants of ''Archaeopteryx''-like theropods, are flying dinosaurs that retain teeth.

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* ToothyBird: The pseudobirds, direct descendants of ''Archaeopteryx''-like theropods, are flying dinosaurs that retain teeth. They also are the dominant "bird" clade of this timeline.
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* MusicalThemeNaming: Due to u/[=EpicJM=] being a fan of metal music, he likes to incorporate musical references in both his posts and the names of his creatures on numerous occasions.
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* NamesToRunAwayFromReallyFast: Many creatures have scientific names like these, including the following:
** ''Dolorodraco'', meaning "Dragon of Pain"
** ''Monstrocanitherium'', meaning "Monster Dog Beast"
** ''Cursobellator'', meaning "Running Warrior"
** ''Diablosuchus'', meaning "Devil Crocodile"
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* WordOfGod: The creator has spoken of many things about the project that have not been used in any official posts but are still canon.

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* WordOfGod: The creator has spoken of many things about the project that have not been used in any official posts but are still canon.----

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* ChildEater: While it's highly likely that a majority of life in the timeline does this, only two are specifically described in the project to do this: ''Odiodon'', a monstrous eutriconodont from Africa reminiscent of leopards and other big cats, and ''Xystonoglossus'', a cone snail-esque gastropod that uses its toxic harpoon-like radula to slaughter baby pterosaurs.



* WordOfGod: The creator has spoken of many things about the project that have not been used in any official posts but are still canon.
* WouldHurtAChild: While it's highly likely that a majority of life in the timeline does this, only two are specifically described in the project to do this: ''Odiodon'', a monstrous eutriconodont from Africa reminiscent of leopards and other big cats, and ''Xystonoglossus'', a cone snail-esque gastropod that uses its toxic harpoon-like radula to slaughter baby pterosaurs.

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* WordOfGod: The creator has spoken of many things about the project that have not been used in any official posts but are still canon.
* WouldHurtAChild: While it's highly likely that a majority of life in the timeline does this, only two are specifically described in the project to do this: ''Odiodon'', a monstrous eutriconodont from Africa reminiscent of leopards and other big cats, and ''Xystonoglossus'', a cone snail-esque gastropod that uses its toxic harpoon-like radula to slaughter baby pterosaurs.
canon.

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