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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 ...
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, ...
The Three Ages of Dinosaurs - The Triassic, Jurassic, and ...
The development of multicellular life ushered in the Paleozoic Era (542-250 million years ago), which embraced shorter geologic periods including (in order) the ...
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 ...
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.
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.
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.
Prehistoric Life During the Ordovician Period - Dinosaurs - About.com
The Ordovician is the second period of the Paleozoic Era (542-250 million years ago), preceded by the Cambrian and succeeded by the Silurian, Devonian, ...
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  ...
Prehistoric Life During the Carboniferous Period
The Carboniferous was the second-to-last period of the Paleozoic Era (542-250 million years ago), preceded by the Cambrian, Ordovician, Silurian and ...
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