The Dino Directory
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Dino Timeline
The first dinosaurs appeared around 225 million years ago (mya) in a time known as the Mesozoic Era. Scientists divide this era into 3 periods: the Triassic, Jurassic and Cretaceous.
Select a section of the timeline below to see dinosaurs that lived then.
151 Late Cretaceous dinosaurs
| NAME (GENUS) | TAXONOMY | BODY SHAPE |
|---|---|---|
| Zuniceratops | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsomorpha |
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| Zalmoxes | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Rhabdodontidae |
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| Wannanosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Pachycephalosauria |
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| Velociraptor | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Paraves, Eumaniraptora, Dromaeosauridae |
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| Urbacodon | Dinosauria, Saurischia |
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| Unenlagia | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Paraves, Eumaniraptora, Dromaeosauridae |
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| Udanoceratops | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia |
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| Tyrannosaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Tyrannosauroidea, Tyrannosauridae, Tyrannosaurinae |
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| Tylocephale | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Pachycephalosauria, Goyocephala, Homalocephaloidea, Pachycephalosauridae |
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| Tsintaosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Euiguanadontia, Dryomorpha, Ankylopollexia, Iguanodontoidea, Hadrosauridae, Euhadrosauria, Lambeosaurinae |
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| Tsagantegia | Dinosauria, Ornithischia, Genasauria, Thyreophora, Ankylosauromorpha, Ankylosauria, Ankylosauridae |
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| Troodon | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Paraves, Eumaniraptoria, Troodontidae |
|
| Triceratops | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsomorpha, Ceratopsidae, Chasmosaurinae |
|
| Torosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsomorpha, Ceratopsidae, Chasmosaurinae |
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| Thescelosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda |
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| Therizinosaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Therizinosauroidea, Therizinosauridae |
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| Telmatosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Euiguanadontia, Dryomorpha, Ankylopollexia, Iguanodontoidea, Hadrosauridae |
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| Tarchia | Dinosauria, Ornithischia, Genasauria, Thyreophora, Ankylosauromorpha, Ankylosauria, Ankylosaurinae |
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| Tarbosaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Tyrannosauroidea, Tyrannosauridae, Tyrannosaurinae |
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| Tanius | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Euiguanadontia, Dryomorpha, Ankylopollexia, Iguanodontoidea, Hadrosauridae |
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| Talarurus | Dinosauria, Ornithischia, Genasauria, Thyreophora, Ankylosauromorpha, Ankylosauria, Ankylosauridae |
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| Styracosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsomorpha, Ceratopsidae, Centrosaurinae |
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| Stygimoloch | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Pachycephalosauria, Goyocephala, Homalocephaloidea, Pachycephalosauridae |
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| Struthiosaurus | Dinosauria, Ornithischia, Genasauria, Thyreophora, Ankylosauromorpha, Ankylosauria, Nodosauridae |
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| Struthiomimus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Ornithomimosauria, Ornithomimidae |
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