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 |
|---|---|---|
| Lophorhothon | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Euiguanadontia, Dryomorpha, Ankylopollexia, Iguanodontoidea, Hadrosauridae, Euhadrosauria, Hadrosaurinae |
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| Magyarosaurus | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Macronaria, Camarasauromorpha, Titanosauriformes, Titanosauria, Lithostrotia |
|
| Maiasaura | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Euiguanadontia, Dryomorpha, Ankylopollexia, Iguanodontoidea, Hadrosauridae, Euhadrosauria, Hadrosaurinae |
|
| Majungatholus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Ceratosauria, Neoceratosauria, Abelisauridae |
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| Mapusaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Carnosauria, Allosauroidea, Allosauridae, Charcharodontosauridae, Giganotosaurinae |
|
| Masiakasaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Ceratosauria, Neoceratosauria, Abelisauroidea, Abelisauria |
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| Maxakalisaurus | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Macronaria, Camarasauromorpha, Titanosauriformes, Titanosauria, Lithostrotia, Saltasauridae, Saltasaurinae |
|
| Microceratops | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria |
|
| Micropachycephalosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Pachycephalosauria |
|
| Mononykus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Alvarezsauridae |
|
| Nanotyrannus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Tyrannosauroidea, Tyrannosauridae, Tyrannosaurinae |
|
| Nanshiungosaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Therizinosauroidea, Therizinosauridae |
|
| Nemegtosaurus | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Diplodocoidea, Nemegtosauridae |
|
| Neuquenosaurus | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Macronaria, Camarasauromorpha, Titanosauriformes, Titanosauria, Lithostrotia, Saltasauridae |
|
| Nipponosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda, Iguanadontia, Euiguanadontia, Dryomorpha, Ankylopollexia, Iguanodontoidea, Hadrosauridae, Euhadrosauria, Lambeosaurinae |
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| Noasaurus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Ceratosauria, Neoceratosauria, Abelisauroidea, Abelisauria |
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| Nomingia | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Oviraptorosauria, Caenagnathoidea, Caenagnathidae |
|
| Nothronychus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Therizinosauroidea, Therizinosauridae |
|
| Opisthocoelicaudia | Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Eusauropoda, Neosauropoda, Macronaria, Camarasauromorpha, Titanosauriformes, Titanosauria, Lithostrotia, Saltasauridae |
|
| Ornithomimus | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Ornithomimosauria, Ornithomimidae |
|
| Orodromeus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Ornithopoda, Euornithopoda |
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| Oryctodromeus | Dinosauria, Ornithischia |
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| Oviraptor | Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Avetherapoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Oviraptorosauria, Caenagnathoidea, Oviraptoridae, Oviraptorinae |
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| Pachycephalosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Pachycephalosauria, Goyocephala, Homalocephaloidea, Pachycephalosauridae |
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| Pachyrhinosaurus | Dinosauria, Ornithischia, Genasauria, Cerapoda, Marginocephalia, Ceratopsia, Neoceratopsia, Coronosauria, Ceratopsomorpha, Ceratopsidae, Centrosaurinae |
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