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- Paleozoic - Wikipedia
The Paleozoic was a time of dramatic geological, climatic, and evolutionary change The Cambrian witnessed the most rapid and widespread diversification of life in Earth's history, known as the Cambrian explosion, in which most modern phyla first appeared
- Paleozoic Era | Description, Climate, Facts | Britannica
Paleozoic Era, major interval of geologic time that began 538 8 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history
- Paleozoic | U. S. Geological Survey - USGS. gov
Paleozoic (541-252 million years ago) means ‘ancient life ’ The oldest animals on Earth appeared just before the start of this era in the Ediacaran Period, but scientists had not yet discovered them when the geologic timescale was made
- Paleozoic Era - U. S. National Park Service
Common Paleozoic fossils include trilobites and cephalopods, as well as insects and ferns The greatest mass extinction in Earth's history ended this era The Paleozoic Era is further divided in to seven periods sub-periods: the Cambrian, the Ordovician, the Silurian, the Devonian, the Mississippian, the Pennsylvanian, the Permian
- The Paleozoic Era - University of California Museum of Paleontology
The Paleozoic Era is bracketed by the times of global super-continents The era opened with the breakup of the world-continent Pannotia and closed with the formation of Pangea, as the Earth's continents came together once again Many Paleozoic rocks are economically important
- PALEOZOIC Definition Meaning - Merriam-Webster
Eras are huge stretches of time; geologists break eras down into smaller "periods" and "epochs " Thus, the Paleozoic ends with the Permian period, the Mesozoic ends with the Upper Cretaceous epoch, and the Cenozoic ends with the Holocene epoch—the epoch in which we are living
- Paleozoic - New World Encyclopedia
The Paleozoic era comprises from oldest to youngest the following six geologic periods: Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian During the nearly 300 million years of the Paleozoic era, the fossil evidence records dramatic shifts in the forms of life on Earth
- The Paleozoic Era - ScienceViews. com
The Paleozoic Era, meaning "ancient life" is the first of three eras that form a part of the Phanerozoic Eon, the other two periods being the Mesozoic and the Cenozoic
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