|
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 |