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?
