|
| Eras |
Periods |
Epochs/Series |
Life on Earth |
C
E
N
O
Z
O
I
C |
Quaternary |
Recent/Holocene
Pleistocene |
Rise and Dominance
of
Man |
| Tertiary |
Pliocene
Miocene
Oligocene
Eocene
Paleocene |
Modern Plants and
_____Animals
Flurish_____
Rapid Development of
Mammals, Insects,
and
Plants |
M
E
S
O
Z
O
I
C |
Cretaceous |
Gulfian
Comanchean
Coalhuilan |
Mass Extinction
Last of the Great
Dinosaurs
Last Ammonites
____Primitive
Mammals____
Rise of Flowering Plants |
| Jurassic |
Upper Jurassic
Middle
Jurassic
Liassic |
First Mammals and Birds
Diversification of
Dinosaurs
Coniferous Trees |
| Triassic |
Upper Triassic
Middle
Triassic
Sythian |
The Rise of Dinosaurs
Cycad-like
Plants
Bony Fishes Develope |
P
A
L
E
O
Z
O
I
C |
Permian |
Upper Permian
Lower Permian |
Greatest Mass Extinction
Rise of
Reptiles |
| Pennsylvanian |
Upper Pennsylvanian
Middle
Pennsylvanian
Morrowan |
Modern Insects Develope
The Great Coal
Deposites
Primitive Conifers, Seed Ferns |
| Mississippian |
Chesterian
Meramecian
Osagian
Kinderhookian |
Plants Flurish on Land
Crinoids Build
Massive Limestones
Climax of Shell-Crushing Sharks
Primitive
Ammonites |
| Devonian |
Chautauquan
Senecan
Erian
Ulsterian |
Climax of Brachiopods
First
Amphibians
First Land Snails
Primitive Land
Plants |
| Silurian |
Cayugan
Niagarian
Alexandrian |
First Lungfishes
First Traces of Life on
Land
Widespread Coral Reefs |
| Ordovician |
Cincinnatian
Champlainian
Canadian |
Climax of Trilobites
First Fish
Appear
First Appearence of many
Marine Invertebrates
Groups |
| Cambrian |
Croxian
Albertan
Waucoban |
Trilobites Dominate
Marine Invertebrates
Flurish
and Diversify |
Proterozoic
Archeozoic |
Marine Invertebrates Appear
First Signs of
Life |