The '''Paleozoic''' or '''Palaeozoic''' 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''' or '''Palaeozoic''' era is the earliest of three [[Geology|geologic]] eras of the [[Phanerozoic]] [[eon]] in the [[Geologic system]] of classifying rocks.
The Paleozoic era is divided into six different periods:
The Paleozoic era is divided into six different periods: