Periods and Epoches
First Appeared?
Flora and Fauna
Other
100

First period in the Paleozoic Era


What is the Cambrian?

100

First epoch humans appeared in.



What is the Holocene?

100

Dominant (and most well-known) organisms of the Mesozoic

What are dinosaurs?


100

Era with no current ending.

What is the Cenozoic era?

200

Period in which jawed fish appear


What is the Silurian?

200

Epoch where coal swamp forest first appear


What is the Carboniferous?

200

Extensive organisms in the Pennsylvanian subperiod.

What are coal swamp forests?


200

Mass extinction via asteroid (Chicxulub crater)

What is the End of the Mesozoic era?
300

Period in which dinosaurs are widespread


What is the Jurassic?

300

Epoch where modern birds first appear.


What is the Paleocene?

300

First land-living vertebrates.

What is Ichthyostega?




300

Supercontinent first formed during the Triassic.

What is Pangea?

400

Epoch in which human civilization grew


What is the Holocene?

400

First period cats appear in.


What is the Oligocene?

400

Dominant species in the Cambrian period.

What are Trilobites?


400

Mass extinction of 95% of all marine species

What is the end of the Paleozoic era?

500

Epoch in which dogs appear


What is the Miocene?

500

The first period where marine life is diverse.


What is the Ordovician?

500

Shelled organisms dominant in the Oligocene.

What are snails?