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.

21 Late Triassic dinosaurs

NAME (GENUS) Years (million years ago)
Liliensternus 205 - 202 mya
Lycorhinus 205 - 195 mya
Syntarsus 205 - 190 mya
Avalonia 210 - 205 mya
Plateosaurus 210 - ? mya
Coloradisaurus 221 - 210 mya
Guaibasaurus 221 - 210 mya
Mussaurus 221 - 210 mya
Procompsognathus 221 - 210 mya
Riojasaurus 221 - 210 mya
Saltopus 221 - 210 mya
Coelophysis 225 - 220 mya
Azendohsaurus 227 - 221 mya
Chindesaurus 227 - 210 mya
Euskelosaurus 227 - 210 mya
Melanorosaurus 227 - 221 mya
Pisanosaurus 227 - 221 mya
Staurikosaurus 227 - 221 mya
Thecodontosaurus 227 - 205 mya
Eoraptor 228 - ? mya
Herrerasaurus 228 - ? mya
21 items found, displaying all items.