Geologic Time

Geologic Time - Geologic Time From oldest to present Includes the Paleozoic Mesozoic and Cenozoic Eras(Neill 2011 From 545 to 245 million years ago

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Geologic Time From oldest to present Includes the Paleozoic, Mesozoic, and Cenozoic Eras (Neill, 2011) From 545 to 245 million years ago First vertebrates appeared in 500 mya Includes Cambrian, Ordovician, Silurian, Devonian, Mississippian, Pennsylvanian, and Permian Periods (Neill, 2011) From 245 to 65 million years ago Reptiles were the dominant vertebrates Includes the Triassic, Jurassic, Cretaceous Periods o Mass extinctions which allowed mammalian adaptive radiation (Neill, 2011) From 65 million year ago to present The Age of Mammals Includes the 7 epochs: o Paleocene o Eocene o Oligocene o Miocene o Pliocene o Pleistocene o Holocene—known for agriculture (Neill, 2011) Proto-primates (earliest form of primate) Found in Montana, ~63 mya Pleseadapiformes-closely related to primates/ a precursor to them o Lived in western North America, W. Europe, and Africa o Purgatrius -close to the last common ancestor of primates o Small—100g, known from teeth (Larsen, 238) Earliest true primates (euprimates), known for teeth
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This note was uploaded on 01/06/2012 for the course ANT 250 taught by Professor Dawnneill during the Spring '11 term at Cal Poly.

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Geologic Time - Geologic Time From oldest to present Includes the Paleozoic Mesozoic and Cenozoic Eras(Neill 2011 From 545 to 245 million years ago

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