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15 Cards in this Set
- Front
- Back
cambrian
|
543mya
radiation of most modern animal phyla (cambrian explosion) |
|
ordovician
|
510mya
marine algae abundant; colonization of land by plants and arthropods |
|
silurian
|
439mya
diversity of jawless fishes, first jawed fishes; diversification of early vascular plants |
|
devonian
|
409mya
diversification of bony fishes first amphibians and insects |
|
carboniferous
|
363mya - mississippian, pennsylvanian
forests of vascular plants first reptiles, seed plants amphibians dominant |
|
permian
|
290mya
permian mass extinction radiation of reptiles origin of mammal-like reptiles and insects |
|
triassic
|
245mya
gymnosperms dominate dinosaurs |
|
jurassic
|
206mya
gymnosperms dominant dinosaurs abundant and diverse |
|
cretaceous
|
144mya
angiosperms appear cretaceous extinctions |
|
paleocene
|
65mya
major radiation of mammals, birds, pollinating insects |
|
eocene
|
57mya
angiosperms dominate mammals radiate |
|
oligocene
|
35mya
origins of primates (apes) |
|
miocene
|
23mya
radiation of mammals and angiosperms |
|
pliocene
|
5mya
apelike ancestors of humans appear |
|
pleistocene
|
1.8mya
ice ages, humans appear |