have all dinosaur fossils been found?
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Dinosaur fossils have been found on every continent of Earth, including Antarctica but most of the dinosaur fossils and the greatest variety of species have been found high in the deserts and badlands of North America, China and Argentina.
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Cranidos and Rampardos are the only Fossil Pokémon that are pure-Rock type. Tirtouga and Carracosta are the only Fossil Pokémon to have Rock as their secondary type.
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['Pachycephalosaurus.', 'Indominus rex.', 'Carnotaurus.', 'Mosasaurus.', 'Ankylosaurus.']
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Dinosaurs are in the reptile group, which includes turtles, crocodiles, birds, lizards, and snakes. Of these groups of animals, second to birds, crocodiles are probably the closest related to dinosaurs (though they are not considered modern dinosaurs themselves, unlike birds).
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They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research. ... Dinosaurs are represented on every continent by both extant species (birds) and fossil remains.
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['Indoraptor. The newest hybrid dinosaur of the Jurassic franchise, the Indoraptor is a genetic mix of the Indominus Rex and Velociraptors. ... ', 'Mosasaurus. ... ', 'Carnotaurus. ... ', 'Stygimoloch. ... ', 'Baryonyx. ... ', 'Allosaurus. ... ', 'Apatosaurus. ... ', 'Sinoceratops.']
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Biologists have long known that theropods (the dinosaur clade containing T. rex, Velociraptor, and birds — shown below) had pneumatic bones. ... The forward air sacs are connected to the hollow bones at the front of the bird's body, and the rear air sacs are connected to the hollow bones at the back of the bird's body.
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Index fossils are commonly found, widely distributed fossils that are limited in time span. ... Examples of index fossils include: Ammonites were common during the Mesozoic Era (245 to 65 mya), They were not found after the Cretaceous period, as they went extinct during the K-T extinction (65 mya).
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Humans lived alongside dinosaurs The last dinosaurs – other than birds – died out dramatically about 65 million years ago, while the fossils of our earliest human ancestors are only about 6 million years old.
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Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period.
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Dinosaur Eggs. ... As far as we know, all dinosaurs reproduced by laying eggs, as do most other sauropsids (reptiles). It is very difficult to determine what species of dinosaur laid the eggs that have been discovered, because only a few dinosaur embryos have been found inside the fossil eggs.
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["Crocodiles. If any living life form resembles the dinosaur, it's the crocodilian. ... ", "Snakes. Crocs were not the only reptiles to survive what the dinos couldn't – snakes did too. ... ", 'Bees. ... ', 'Sharks. ... ', 'Horseshoe Crabs. ... ', 'Sea Stars. ... ', 'Lobsters. ... ', 'Duck-Billed Platypuses.']
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400-Million Year-Old Fish Discovered Is Ancestor of Dinosaurs, Humans. ... As the earliest known bony fish, "Ligulalepis" is closely related to our own ancestors. A group of animals called osteichthians have bony skeletons and jaws, and include many modern fish and all amphibians, reptiles, birds and mammals.
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['Gallimimus. [02:49]', 'Stegosaurus. [03:44]', 'Velociraptor. [04:00]', 'Pachycephalosaurus. [09:17]', 'Baby Triceratops. [10:26]', 'Corythosaurus. [15:31]', 'Ankylosaurus. [17:24]', 'Apatosaurus. [19:32]']
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Are the fossils real? All of the fossils that we work on in FossiLab are real. The Last American Dinosaurs exhibit that surrounds the lab includes both real fossils and precise replicas of fossils. You can tell the replicas because they are labeled as "casts."
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Cassowaries, along with all other modern birds, are living dinosaurs, descendants of the only dinosaur lineage to survive the Cretaceous mass extinction about 66 million years ago.
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Are all the theropod dinosaurs extinct? No, theropods are a monophyletic group that includes birds.