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cambrian 570 - 500 MYA
They were the next step in evolution and the T-Rex of the water. They were the first multiorganisim animal's -
ordovician 488,3 - 443.7 MYA
They were characterized by many Trilobites and conodonts -
Silurian 443.7 - 416 MYA
The Silurian era was a period of time between the Ordovician and the Devonian era setting for a major extinction wiping out 60% of marine wild life. -
Devonian era 416 - 359.2 MYA
Fish devoloped legs and moved onto land known as tetrapods. Also signs of the first trees -
Carboniferous 359.2- 299 MYA
Coal first appears. tropical humid climate. Vast loelands and swamp forest's -
Permian 299-251 MYA
Last period of the Paleozoic era.Led to the age of dinosaurs. Only asia was not part of the super contonein.after this era was the Mesozoic -
Triassic 248 - 246 MYA
The Primo Triassic extinction happened. largest known extinction. about 95% of life was destroyed.the distruction of angea opened up a way for the rise of dinosaurs. -
Jurrasic 199.6 - 145.5 MYA
Many herbavorus dinosaurs roamed the earth with a lot of smaller but more more viciecous carnivors hunting them.Also including the first flight animals not all birds. -
Cretacious 125 -100 MYA
First apperance of terrestrial life (flowering plants).Also was the first sign of radioactive diatoms. -
Tertairy 65 -1.8 MYA
5 different periods occured during this time. Pangea Broke apart and there was an explosion of life. -
Quaternary 1.8 MYA - Present day
First signs of humans and a major ice age occured. this peroid is the one we are living in right now.
