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1 Mid Paleozoic Era: Biologic Events Brad Hubeny Post Ordovician Mass Extinction Silurian Radiations and Coral-Strome Reefs Brachiopod Radiation Major Orders Rise of Fishes Jawless Fish

Post Ordovician Mass Extinction Mid Paleozoic Era ...w3.salemstate.edu/~bhubeny/GLS201/MidPaleozoicLife.pdfMid Paleozoic Era: Biologic Events Brad Hubeny Post Ordovician Mass Extinction

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Page 1: Post Ordovician Mass Extinction Mid Paleozoic Era ...w3.salemstate.edu/~bhubeny/GLS201/MidPaleozoicLife.pdfMid Paleozoic Era: Biologic Events Brad Hubeny Post Ordovician Mass Extinction

1

Mid Paleozoic Era:Biologic Events

Brad Hubeny

Post Ordovician Mass Extinction

Silurian Radiations and Coral-Strome Reefs Brachiopod RadiationM

ajor

Ord

ers

Rise of FishesJawless Fish

Page 2: Post Ordovician Mass Extinction Mid Paleozoic Era ...w3.salemstate.edu/~bhubeny/GLS201/MidPaleozoicLife.pdfMid Paleozoic Era: Biologic Events Brad Hubeny Post Ordovician Mass Extinction

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Acanthodians Placoderms

Sharks Ray-finned Fish

Lobe-finned FishTiktaalik and the Land Invasion!

Page 3: Post Ordovician Mass Extinction Mid Paleozoic Era ...w3.salemstate.edu/~bhubeny/GLS201/MidPaleozoicLife.pdfMid Paleozoic Era: Biologic Events Brad Hubeny Post Ordovician Mass Extinction

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Plants Also Invade the Land! A Devonian Landscape

Archaeopteris: GiantFerns. WOW!!! Late Devonian Seeds

Late Devonian Mass Extinctions

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