CNBC's Megan Cassella joins 'Closing Bell Overtime' to tallk the latest from the Federal Reserve. Travel back in time and ...

3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including ...

The Phanerozoic Eon is divided into the three eras. The oldest is the Paleozoic Era, which means ‘ancient life’ and occurred between 541 and 252 million years ago. Next is the Mesozoic Era, ...

The Paleozoic era's Silurian period saw animals and plants finally emerge on land. But first there was a period of biological regrouping following the disastrous climax to the Ordovician.

the members of the National Academy of Sciences sit down in Washington to discuss the paleozoic cockroach. View Full Article in Timesmachine » Advertisement ...

The topic guide on Paleozoic Life picks up the sections of the chapters on ... answering just the part of the question for that time period, and cycling through the questions for each chapter.

Phacops rana is a marine arthropod from the Paleozoic era. According to the Commonwealth of Pennsylvania, these can be found in rocks in central Pennsylvania that are 541 to 359 million years old.

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

They were especially important during the middle Paleozoic era (from the late Middle Ordovician to Devonian), a time marked by a major transition from microbial-dominated to skeletal-dominated ...