- 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 - 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
- Paleozoic Era: Facts Information - Live Science
The Paleozoic Era, which ran from 541 million to 251 9 million years ago, was a time of great change on Earth The era began with the breakup of one supercontinent and the formation of another
- PALEOZOIC Definition Meaning - Merriam-Webster
The meaning of PALEOZOIC is of, relating to, originating in, or being an era of geologic history that extends from the beginning of the Cambrian to the close of the Permian and is marked by the culmination of nearly all classes of invertebrates except the insects and in the later epochs by the appearance of terrestrial plants, amphibians, and
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