Articles related to triassic period
Prehistoric Life During the Triassic Period - Dinosaurs - About.com
At the start of the Triassic period, 250 million years ago, the earth was just recovering from the Permian/Triassic Extinction, which witnessed the demise of over ...
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 ...
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 ...
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 ...
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 ...
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 ...
Amphibian Evolution - The Story of Prehistoric Amphibians - Dinosaurs
During the Carboniferous period, over 300 million years ago, the first tetrapods ... where most of them slowly died out by the beginning of the Triassic period.
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 ...
Prehistoric Life During the Permian Period - Dinosaurs - About.com
The Permian period is when the first reptiles dominated the planet--not dinosaurs ... of therapsids spawned the very first mammals of the ensuing Triassic period.