GEOL 1003 Chapter : Ch 10b Minimized

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azuremammoth471

15 Mar 2019

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I. Middle Paleozoic

A. Geologic Time Scale

_________________________________________________________

EONS ERAS PERIODS EPOCHS MAIN LIFE

Phanerozoic

____________________________ 355 Ma __________________________

Middle-

Paleozoic Invertebrates

Devonian - (Age of Fishes)

Silurian (plants)

______________________________ 435 Ma ________________________

444 Ma

359 Ma

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PreCamb Camb. Ord. Sil. Dev. Miss. Penn. Perm. Tria./Jur. Cret. Paleo. Neo. Quat. .

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Paleozoic Mesozoic Cenozoic

Cam O S D Car P Tr J K Pg Ng

Acritarchs

Ammonoids

Brachiopods

Conodonts

Corals

Diatoms

Dinoflagellates

Foraminifera

Fusulinids

Graptolites

Nannofossils

Radiolaria

Spores

Trilobites

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GEOL 1003 Chapter : Ch 10b Minimized

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