Geologic Time Scale

Cenozoic

present-65
Quaternary
- Age of Man
- 2
Tertiary
- Age of Mammals
- 65
Mesozoic

145-251
Cretateous
- First Flowering Plants
- 145
Jurrasic
- Age of Dinosaurs / First Birds
- 199
Triassic
- Dinosaurs are Dominant
- 251
Extinction of Trilobites and Marine Invertebrates

251
Paleozoic

251-542
Permian
- Great Extinction of Marine Invertebrates
- 299
Pennsylvanian
- Age of Reptiles
- 318
Mississippian
- Large Coal Swamps
- 359
Devonian
- Age of Fishes
- 416
Silurian
- Age of Corals / First Land Plants
- 444
Ordovician
- Trilobites Dominant
- 488
Cambrian
- First organisms w/ shells and hard parts
- 542
Precambrian

542-4500

Author

bmontoni

ID

200315

Card Set

Geologic Time Scale

Description

Geologic Time Scale

Updated

2013-02-13T17:05:25Z

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