Select a letter to view dinosaurs whose name starts with that letter:
| NAME (GENUS) | TAXONOMY | AGE | BODY SHAPE |
|---|---|---|---|
| Antarctopelta | Dinosauria, Ornithischia, Genasauria, Thyreophora, Ankylosauromorpha, Ankylosauria | Late Cretaceous |
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| Antarctosaurus | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Macronaria, Camarasauromorpha, Titanosauriformes, Titanosauria, Lithostrotia | Late Cretaceous |
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| Aralosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Euiguanadontia, Dryomorpha, Ankylopollexia, Iguanodontoidea, Hadrosauridae, Euhadrosauria, Hadrosaurinae | Late Cretaceous |
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| Archaeornithomimus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Ornithomimosauria, Ornithomimidae | Late Cretaceous |
|
| Argentinosaurus | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Macronaria, Camarasauromorpha, Titanosauriformes, Titanosauria | Late Cretaceous |
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| Arrhinoceratops | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsomorpha, Ceratopsidae, Chasmosaurinae | Late Cretaceous |
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| Aucasaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Ceratosauria, Neoceratosauria, Abelisauroidea, Abelisauria | Late Cretaceous |
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| Avaceratops | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsomorpha, Ceratopsidae, Centrosaurinae | Late Cretaceous |
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| Avimimus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Oviraptorosauria, Avimimidae | Late Cretaceous |
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| Agilisaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda | Late Jurassic |
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| Allosaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Carnosauria, Allosauroidea, Allosauridae | Late Jurassic |
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| Apatosaurus | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Diplodocoidea, Diplodocidae | Late Jurassic |
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| Archaeopteryx | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Paraves, Eumaniraptoria, Avialae, Archaeopterygidae | Late Jurassic |
|
| Avalonia | Dinosauria, Saurischia, Sauropodomorpha, Prosauropoda, Anchisauria, Melanorosauridae | Late Triassic |
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| Azendohsaurus | Dinosauria, Saurischia, Sauropodomorpha, Prosauropoda | Late Triassic |
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| Amygdalodon | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda | Mid Jurassic |
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