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Articles related to paleozoic era

Prehistoric Life During the Paleozoic Era - Dinosaurs - About.com
The Paleozoic Era was when the first complex, multicellular organisms evolved, eventually leading to the archosaurs and therapsids that ushered in the age of ...
http://dinosaurs.about.com/od/PaleozoicEra/a/Paleozoic-Era.htm
The Paleozoic Era - Dinosaurs - About.com
Stretching from 542 to 250 million years ago, the Paleozoic Era is when the first complex, multicellular life forms appeared on earth, including fish, tetrapods, ...
http://dinosaurs.about.com/od/PaleozoicEra/
Prehistoric Life During the Cambrian Period - Dinosaurs - About.com
The Cambrian was the first period of the Paleozoic Era (542-250 million years ago), followed by the Ordovician, Silurian, Devonian, Carboniferous and Permian  ...
http://dinosaurs.about.com/od/PaleozoicEra/a/Cambrian-Period.htm
The 2013 Geologic Time Scale for the Paleozoic Era - Geology
Ages, epochs and periods of the Paleozoic Era, part of the official geologic time scale of 2013.
http://geology.about.com/od/geotime_dating/a/Geologic-Time-Scale-Paleozoic.htm
Paleozoic Era - Evolution - About.com
The Paleozoic Era begins with what is called the Cambrian Explosion. This relatively quick period of evolution and species development established many new ...
http://evolution.about.com/od/LifeOrigins/a/Paleozoic-Era.htm
Periods of the Paleozoic Era - Evolution - About.com
A brief description of all Periods of the Paleozoic Era and which plants and animals evolved during those periods.
http://evolution.about.com/od/LifeOrigins/tp/Periods-of-the-Paleozoic-Era.htm
Devonian Period - Paleozoic Era - Timeline of Biological History
The Devonian Period (408-360 Myr BP) is the fourth of six periods that make up the Paleozoic Era. It is preceeded by the Silurian Period and followed by the ...
http://animals.about.com/od/d/g/devonianperiod.htm
Why Were Prehistoric Insects So Big? - About.com
During the Paleozoic era, the Earth teemed with giant insects, from dragonflies with wing spans measured in feet, to mayflies nearly 18 inches in breadth.
http://insects.about.com/od/evolution/f/Why-Prehistoric-Insects-Were-So-Big.htm
Eras of the Geologic Time Scale - Evolution - About.com
The first, Precambrian Time, is not an actual era on the Geologic Time Scale ... The Paleozoic Era, Mesozoic Era, and Cenozoic Era saw many great changes.
http://evolution.about.com/od/LifeOrigins/tp/The-Geologic-Time-Scale.htm
Mass Extinction - Evolution - About.com
The largest mass extinction happened at the end of the Paleozoic Era. The Permian-Triassic mass extinction event saw about 96% of marine life go extinct, ...
http://evolution.about.com/od/LifeOrigins/g/Mass-Extinction.htm
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