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| | The '''Paleozoic''' era is the earliest of three [[Geology|geologic]] eras of the [[Phanerozoic]] eon in the [[Geologic system]] of classifying rocks. | | The '''Paleozoic''' era is the earliest of three [[Geology|geologic]] eras of the [[Phanerozoic]] eon in the [[Geologic system]] of classifying rocks. |
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| − | The Paleozoic era is divided into seven different periods: | + | The Paleozoic era is divided into six different periods: |
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| | *[[Permian]] | | *[[Permian]] |
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| − | '''Paleozoic''' means ''ancient life''.
| + | The Paleozoic was originally known as the Primary, but was renaemd the Paleozoic, meaning ''ancient life'', according to the [[Theory of evolution|evolutionary]] view. |
| | + | Under the uniformitarian dates assigned by secular geologists, it represents approximately the period of Earth's history from 540 million years ago to 250 million years ago.<ref>Gradstein, F.M., and Ogg, J.G.,[http://www.stratigraphy.org/scale04.pdf Geologic Time Scale 2004 – Why, How, and Where Next!]</ref> |
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| − | The Paleozoic starts shortly after the breakup of a supercontinent called Pannotia and at the end of the era, the continents gathered together into a supercontinent called [[Pangea]] (approximately 300 million years). ''The Paleozoic is bracketed by two of the most important events in the history of animal life. At its beginning, multicelled animals underwent a dramatic "explosion" in diversity, and almost all living animal phyla appeared within a few millions of years. At the other end of the Paleozoic, the largest mass extinction in history wiped out approximately 90% of all marine animal species.'' <ref> [http://www.ucmp.berkeley.edu/paleozoic/paleozoic.html The Paleozoic Era 543 to 248 Million Years Ago]
| + | [[Flood Geology|Flood geologists]] reject the [[uniformitarian]] assumptions behind the dates derived by secular geologists, so they reject these dates (see [[geologic system]]). |
| − | </ref>
| + | Instead, they would consider the Paleozoic sediment to be early [[Flood geology|Flood]] deposits.<ref>Snelling, Andrew, ''Radiohalos in Granite'', chapter 5 of DeYoung, Don, "Thousands, Not Billions", Master Books, 2005, p.89, ISBN 0-89051-441-0.</ref> |
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| | + | According to the uniformitarian view, the Paleozoic started shortly after the breakup of a supercontinent called Pannotia and at the end of the era, the continents gathered together into a supercontinent called [[Pangea]] (approximately 300 million years ago). |
| | + | {{QuoteBox|The Paleozoic is bracketed by two of the most important events in the history of animal life. At its beginning, multicelled animals underwent a dramatic "explosion" in diversity, and almost all living animal phyla appeared within a few millions of years. At the other end of the Paleozoic, the largest mass extinction in history wiped out approximately 90% of all marine animal species.<ref> [http://www.ucmp.berkeley.edu/paleozoic/paleozoic.html The Paleozoic Era 543 to 248 Million Years Ago]</ref>}} |
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| | == See also == | | == See also == |