Rockport State Recreation Area is known to have exposed fossils from the Devonian period – more than 400 million years ago.

This time period took place 359 to 299 million years ago. 3 min read The Carboniferous period, part of the late Paleozoic era, takes its name from large underground coal deposits that date to it.

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 ...

3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the vast seas and the first primitive plants began to appear on land—before the ...

Titled "Ancient Life," it tells the story of what life was like in what is now New Mexico 300 million years ago in the Paleozoic Era, when it was near the Equator, next to multiple seas ...

A major fossil site bearing witness to the Cambrian explosion and providing evolutionary evidence for early life-forms, it ...

Marrellomorphs are one of the rarest arthropod groups in the world. The discovery of a new fossil sheds light on this enigmatic creature.