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 second ...

Found in rock samples retrieved in Australia more than 60 years ago, the microfossils dating to the Lower Ordovician Period, approximately 480 million years ago, fill an approximately 25-million-year ...

The planet’s first death knell sounded 444 million years ago, near the end of the Ordovician Period.* Simple forms of life — mainly bacteria and archaea — had already flourished for 3 billion years. .

Life also started occupying new ecological niches, clinging to plants floating in the ocean's water column and burrowing deep into the seabed. Like the Cambrian, the Ordovician was a period when ...

The first land plants appeared around 470 million years ago, during the Ordovician period, when life was diversifying rapidly . They were non-vascular plants, … Moss age Never underestimate ...

The Late Ordovician period, ending 444 million years ago, was marked by the onset of glaciations. The expansion of non-vascular land plants accelerated chemical weathering and may have drawn down ...

Not many plants had made it out of the ocean – but those few mosses and worts that had eked out a life on land by the end of the period would have had a big effect on the planet.

New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. The research reveals the effects that the first land plants had on the climate during ...

One such event was the Ordovician Mass Extinction, almost 400 million years ago, according to IFLScience. This period in time was extremely different from the world we know today, as life did not ...