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.

150 Late Cretaceous dinosaurs

NAME (GENUS) Years (million years ago)
Lophorhothon 84 - 71 mya
Magyarosaurus 71 - 65 mya
Maiasaura 80 - 75 mya
Majungatholus 84 - 71 mya
Mapusaurus 99 - 94 mya
Masiakasaurus 84 - 71 mya
Maxakalisaurus 80 - ? mya
Microceratops 86 - 66 mya
Micropachycephalosaurus 84 - 71 mya
Mononykus 81 - 68 mya
Nanotyrannus 67 - 65 mya
Nanshiungosaurus 84 - 71 mya
Nemegtosaurus 72 - 68 mya
Neuquenosaurus 71 - 65 mya
Nipponosaurus 89 - 84 mya
Noasaurus 84 - 65 mya
Nomingia 72 - 68 mya
Nothronychus 94 - 89 mya
Opisthocoelicaudia 72 - 68 mya
Ornithomimus 74 - 65 mya
Orodromeus 74 - ? mya
Oryctodromeus 99 - 94 mya
Oviraptor 85 - 75 mya
Pachycephalosaurus 76 - 65 mya
Pachyrhinosaurus 76 - 74 mya
150 items found, displaying 76 to 100.