The productive Paleozoic era gave rise to hard-shelled organisms, vertebrates, amphibians, and reptiles. Dinosaurs ruled the Earth in the mighty Mesozoic. And 64 million years after dinosaurs went ...

The Permian period, the last part of the Paleozoic Era, ended with the largest mass ... beginning what is called the Age of Dinosaurs. Although dinosaurs did not yet exist when the footprints ...

The Devonian, part of the Paleozoic era, is otherwise known as the Age ... ancestors of all four-limbed land vertebrates, including dinosaurs and mammals. The fossils of these remarkable animals ...

The tracks they found belonged to at least five different animal species that existed before the time of dinosaurs ... during the last part of the Paleozoic Era. It ended with the largest ...

this tiny 'terrible lizard' named Ahvaytum bahndooiveche is now the oldest-known dinosaur from Laurasia, the Northern Hemisphere land mass of the late Paleozoic supercontinent Pangea. That age places ...

The largest extinction events define a change in era. The end of the Paleozoic and beginning of the Mesozoic 251 million years ago marks the largest mass extinction in the history of the planet, which ...

The Philip & Lucinda Dino-Show follows the two dinosaur explorers extraordinaire, as they set out to understand the Paleozoic Era with song, dance and acrobatics. Philip and Lucinda may be "dino ...