Overall, 19% of all families and 50% of all genera became extinct. ... A second mass extinction called the Hangenberg event, also known as the end-Devonian ... Late Devonian world · Extinction patterns

11 янв. 2022 г. · The Late Devonian mass extinction -- roughly 372 million years ago -- was one of five mass extinctions in Earth's history, with roughly 75% ...

Nearly 70-80 percent of marine invertebrate species are wiped out over two extinction pulses.

During this extinction 25 percent of marine families and 60 percent of marine genera (the classification above species) were lost. The Late Devonian extinction ...

In total, over 70% of species living in the Devonian no longer existed in the Carboniferous Period. Marine hypoxia? Global cooling? A drop in sea level?

Extinctions by severity ; End-Devonian/Hangenberg event (Famennian), 359, ~28% · 31%, 50% ...

This is associated with spectacular losses in marine diversity involving ∼13–40% of families and ∼50–60% of genera (11, 12). Furthermore, the Kellwasser event ...

11 мар. 2021 г. · ... the devastating mass extinctions of the Late Devonian Period, roughly 370 million years ago, when around 70 percent of species disappeared.

The largest mass extinction event happened around 250 million years ago, when perhaps 95 percent of all species went extinct. ... Devonian Extinction: 365 million ...