Learn more about the time period that took place 488 to 443 million years ago. 3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the ...

Long before the dawn of humans, dinosaurs, insects or even trees, a cascade of unfortunate events threatened to end life on earth. During the Ordovician Period, around 485 to 444 million years ago, ...

Scientists studying the geology of the Ordovician Period about 466 million years ago report evidence that Earth's ring system created a telltale pattern of impact craters, and it may also explain ...

Marine fossil specimens unearthed in northern Portugal are filling a gap in understanding evolution during the Middle Ordovician period. A clutch of marine fossil specimens unearthed in northern ...

During the Ordovician period, the concentration of carbon dioxide in Earth's atmosphere was about eight times higher than today. It has been hard to explain why the climate cooled and why the ...

Subdivision and correlation of the Ordovician System serve as the time scale for constraining the major geological and biological events during the Ordovician Period. Currently a globally unified ...

Rich brachiopod fossils dating back 470 million years to the Ordovician period were discovered in Zigui county, Central China’s Hubei Province. Experts suggest these fossils provide evidence for ...

Lomankus edgecombei, a new arthropod species from the Ordovician period has recently been discovered thanks to an international project featuring scientists from China, the UK and the US. The new ...

During the Ordovician period, the concentration of CO2 in the earth's atmosphere was about eight times higher than today. It has been hard to explain why the climate cooled and why the Ordovician ...