-
Cambrian 570 M
-
Paleozoic
-
Ordovician 500 M
-
Silurian 435 M
-
Devonian 395 M
-
Carboniferous 345 M
-
Permian 280 M
-
Triassic 225 M
-
Mesozoic
-
Jurassic 195 M
-
Cretaceous 136 M
-
Tertiary 65 M
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Cenozoic
-
Quaternary 1.8 M