The Paleozoic era began 530 million years ago when the Earth woke up from an ice age. This era lasted for 289 million years, ...

This video takes viewers back to the extraordinary Paleozoic Era, the time when life flourished long before dinosaurs existed ...

The Paleozoic Era, which ran from 541 million to 251.9 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another. Plants ...

Shelled sea creatures were relatively free of predators 250 million years ago. But geological scientists have discovered a tiny ancient brachiopod that was drilled by predators at rates similar to ...

Geologists have produced a new timeline of Earth's Paleozoic climate changes. The record shows ancient temperature variations coinciding with shifts in planet's biodiversity. The temperature of a ...

Little is known about Paleozoic creatures’ parental prowess. But a newly uncovered 300-million-year-old fossil might be the earliest evidence of a parent, well, acting like a parent. Researchers from ...

This intriguing astronaut photo shows a trio of ancient "black mesas", which sit side-by-side in the Sahara desert. The dark structures have enabled a series of rare sand dunes to form around them ...

New millipede specimens from the Paleozoic of Scotland are described, including Archidesmus macnicoli Peach, 1882, from the Lower Devonian (Lochkovian) Tillywhandland Quarry SSSI and three new ...

This is a preview. Log in through your library . Abstract Tracking the geometry of all 597 ammonoid genera from the Lower Devonian into the Lower Triassic, a 145-Myr period that spans three mass ...

HOUSTON, June 16 – Apache Corp. has drilled eight new field discoveries in 10 attempts in 2011, including its first Paleozoic success, as it pushes younger Jurassic and Cretaceous plays farther ...