Geologic Time Scale
Phanerozoic
Cenozoic
Mesozoic
Paleozoic
Paleozoic
543-250 Ma
General Info
The Paleozoic Era
"Definition of the Paleozoic Era"
Earth's First 3.7 Billion Years
(covers
Hadean
,
Precambrian
, and Paleozoic)
Periods of the Paleozoic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Fossils & Localities
Palaeozoic Forests
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Updated: 5/1/98
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