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Periods of Diversification
Cambrian to Permian
9
Biology
Undergraduate 3
09/21/2009

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Cards

Term
Cambrian
Definition
Diversification of all major Phla
Term
Ordovician
Definition
Early Jawless Vertebrates
Term
Silurian
Definition
Appearance of Jawed Fish, Freshwater Fish
Term
Devonian
Definition
"Age of Fish", appearance of Tetrapods and all major fishes
Term
Carboniferous
Definition
Tetrapod diversification
Term
Permian
Definition
Amniotes radiate all over Pangea
Term
Triassic
Definition
Synapsids decline in numbers, diapsids diversify
Term
Jurassic
Definition
Huge radiation of diapsids, dinosaurs , pterosaurs, and birds
Term
Cretaceous
Definition
Mammals and Pterosaurs in small numbers, dinosaurs and birds greatly diversified
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