Paleozoic Era 2.0 / 5 based on 1 rating ? AllFunNone Created by: JelenaCreated on: 30-04-13 15:24 Cambrian Period Marine life and invertebrates appear. 1 of 6 Ordovician Period First fish appear. 2 of 6 Silurian Period First land plants and animals appear. 3 of 6 Devonian Period Amphibians appear. 4 of 6 Pennsylvanian Period First reptiles appear. 5 of 6 Permian Period Pangea forms, Permian mass extinction. 6 of 6
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