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14 Cards in this Set
- Front
- Back
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Geological time scale |
Chronological sequence of geologic and evolutionary events covering the physical formation and development of the earth |
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Geological times scales division |
Eon, Era, Period, Epoch, Age |
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Origin of Earth |
Eon - Haldean |
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First one celled organisms |
Eon - Archean |
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Plantonic prokaryote, eukaryotes, multicellularity |
Eon - Proterozoic |
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Soft bodied Faunas |
Period - Vendian Era - Palaeozoic Eon - Phanerozoic |
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Age of invertebrates - first land plants |
Period - Cambrian , ordovician Era - palaeozoic Eon - Phanerozoic |
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Age of fishes - first amphibians, fist land plats |
Period - denovian, silurian Era - palaeozoic Eon - pahnerozoic |
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Age of amphibians - extinction of trilobites, first reptiles and cockroaches appear |
Period - Permian, Pennsylvanian, Mississipian Era - Phanerozoic Eon - Paleozoic |
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Age of reptiles - first flowering plants, first bird, first mammal |
Period - Cretaceous, Jurassic, Triassic Era - Mesozoic Eon - Phanerozoic |
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Palaeocene - extinction of dinosaurs |
Period - tertiary Era - Cenozoic Eon - Phanerozoic |
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Eocene & Oligocene- age of mammals |
Period - tertiary Era - cenozoic Eon - Phanerozoic |
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Miocene & Pliocene - earliest hominids |
Period - tertiary Era -Cenozoic Eon - Phanerozoic |
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Pleistocene & Holocene - earliest homo sapiens |
Period- quaternary Era - cenozoic Eon - Phanerozoic |
