Himalayan Orogeny
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Paleogene Period Orogeny
Synapsid Reptiles
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1 opening behind eye, different kinds of teeth (mammals)
Neogene Epochs
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Pliocene
Miocene
Devonian Climate
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Warming trend
Tetrapods
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4 limbed vertebrates (includes amphibians, reptiles, and mammals
Mesozoic Grand Staircase
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, Triassic on bottom, Jurissic, and Cretaceous
Synapsids
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Includes mammals and reptile stem mammals
Quaternary Period Dates
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2.6mya-modern era
Ichthyostega
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Oldest known true amphibian(Devonian)
Pennsylvania Period Dates
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Paleogene Period Orogeny
Synapsid Reptiles
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1 opening behind eye, different kinds of teeth (mammals)
Neogene Epochs
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Pliocene
Miocene
Devonian Climate
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Warming trend
Tetrapods
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4 limbed vertebrates (includes amphibians, reptiles, and mammals
Mesozoic Grand Staircase
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, Triassic on bottom, Jurissic, and Cretaceous
Synapsids
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Includes mammals and reptile stem mammals
Quaternary Period Dates
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2.6mya-modern era
Ichthyostega
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Oldest known true amphibian(Devonian)
Pennsylvania Period Dates
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