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)
Abelisaurus 74 - 70 mya
Achelousaurus 83 - 70 mya
Achillobator 99 - 84 mya
Aegyptosaurus 98 - 93 mya
Alamosaurus 70 - 65 mya
Albertaceratops 80 - 75 mya
Albertosaurus 76 - 74 mya
Alectrosaurus 90 - 70 mya
Alioramus 71 - 65 mya
Alvarezsaurus 89 - 85 mya
Ampelosaurus 71 - 65 mya
Anatotitan 70 - 65 mya
Anchiceratops 74 - 70 mya
Ankylosaurus 74 - 67 mya
Anserimimus 84 - 65 mya
Antarctopelta 99 - 94 mya
Antarctosaurus 84 - 65 mya
Aralosaurus 94 - 84 mya
Archaeornithomimus 95 - 70 mya
Argentinosaurus 90 - ? mya
Arrhinoceratops 72 - 67 mya
Aucasaurus 84 - 71 mya
Avaceratops 80 - 75 mya
Avimimus 80 - 75 mya
Bactrosaurus 84 - 71 mya
150 items found, displaying 1 to 25.