-
The Beginning (The Hadean)
The earth is created, there is no known life. This took place 4600 million years ago. -
Period: to
Time
All of time from when the earth was created and now. -
Period: to
The Pre-cambrian Era
The earth first starts, at the end of this era, first known life appears. This took place 4600 to 542 million years ago. -
The Cambrian Period
Many knew life appears, such as trilobites, brachiopods, stromatolites, and green algae. This took place 543 to 490 million years ago. -
Period: to
The Paleozoic Era
This era holds two of the most important events of animal history. It lasts from 542 to 251 milion years ago. -
The Ordivision Period
Marine life appears. This takes place 488 to 443 million years ago. -
The Silurian Period
First appearence of freshwater fish. This took place 443 to 416 million years ago. -
The Devonion Period
The oldest known vascular plants appeared. This took place 416 to 359 million years ago. -
The Carboniforious Period
There are rich deposits of fine coal. This took place 359 to 299 million years ago. -
The Permian Period
The largest mass extinction accured. This took place 299 to 251 million years ago. -
The Triassic Period
The time where Pangea existed, dinosaurs start to appear. This took place 251 to 199 million years ago. -
Period: to
The Mezazoic Era
Dinosaurs roam the earth. This takes place 251 to 65 million years ago. -
Period: to
The Phanerzoic Eon
Where most of the animal life appeares. -
The Jurassic Period
This is when dinosaurs roamed the earth. This took place 199 to 145 million years ago. -
The Cretacious Period
Many insects appear. This takes place 145 to 65 million years ago. -
Period: to
The Cenezoic Era
"New life appears" -
The Paleogene Period
The Dinosaurs die off. This took place 65 to 23 million years ago. -
The Neogene Period
Continents start crashing into eachother. This took place 23 to 2 million years ago. -
The Quatenary Period
Humans appear and many modern animals. -
Now
Our present day in the quaternary period.