By Geological Interval Paleozoic
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See also:
- Science: Earth Sciences: Paleontology: Invertebrates: Arthropods: Trilobites (15)
- Science: Earth Sciences: Paleontology: Invertebrates: Graptolites (47)
| Paleobiology: The Early Paleozoic - Provides information on the Cambrian explosion, the Ordovician and the Silurian. |
| Paleobiology: The Late Paleozoic - Article on the Devonian, the coal swamps and glaciers of the Carboniferous, the Permian and the great Permian extinction. |
| The Paleozoic - An overview of the era from the Ordovician Period to the Permian, with maps and timelines. |
| The Paleozoic Era - An overview of the era from the UC Berkeley Museum of Paleontology. |
| The Paleozoic Era - An illustrated geological timeline. |
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