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 ...
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, ...
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 ...
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.
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 ...
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.
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 ...
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.
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.
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, ...