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Articles related to triassic period

Prehistoric Life During the Triassic Period - Dinosaurs - About.com
A guide to the animals, plants, climate and geology of the Triassic period (250- 208 million years ago).
The Permian-Triassic Extinction Event - Dinosaurs - About.com
About 250 million years ago, at the end of the Permian period, over 90 percent of the earth's marine organisms went extinct, along with nearly three-quarters of ...
Triassic Period - Definition of the Dinosaur Phrase Triassic Period
The span of geologic time stretching from 250 to 208 million years ago. The first primitive dinosaurs evolved during the Triassic period, and flourished in the later  ...
Prehistoric Crocodiles and Crocodile Evolution
Toward the end of the Triassic period, a family of archosaurs ("ruling lizards") evolved into the very first crocodiles. Here's the story the last 200 million years of  ...
The First Mammals (Triassic, Jurassic, and Cretaceous) - Dinosaurs
The truth, though, is very different: in fact, the first mammals evolved from therapsids ("mammal-like reptiles") at the end of the Triassic period, and coexisted with ...
Earliest Dinosaur Evolution and Ancestors - Dinosaurs - About.com
Some time in the middle to late Triassic period, about 230 million years ago, the first dinosaurs evolved from their archosaur ancestors. Here's everything you ...
Turtle Evolution - The Story of Prehistoric Turtles
In a way, turtle evolution is an easy story to follow: the basic turtle body plan arose very early in the history of life (during the late Triassic period), and has ...
Pterosaurs - The Flying Reptiles - Evolution - Dinosaurs - About.com
The evolution of pterosaurs roughly paralleled that of their terrestrial cousins, the dinosaurs, as the small, "basal" species of the late Triassic period gradually ...
The Great Permian-Triassic Extinction - Geology - About.com
The greatest mass extinction of the last 500 million years or Phanerozoic Eon happened 250 million years ago, ending the Permian Period and beginning the ...
Periods of the Mesozoic Era - Evolution - About.com
A description of life and evolution during the Triassic, Jurassic, and Cretaceous periods of the Mesozoic Era.
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