The Startup
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The Startup

Mystery of the Late Devonian extinction

Psammolepis Alata (Reworked) — By Vladislav Egorov (3D model), Jaagup Metsalu (render) — Estonian Museum of Natural History, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=82586973

Between about 385 and 359 million years ago, life on earth was under attack, and 70 to 80 percent of the species on the planet disappeared. However, evidence defining the cause of this catastrophe is sparse. Also, controversy exists over whether there was one event or many events leading to extinction and how long it took. Some researchers propose multiple events over about 20 million years. The answer is uncertain, but…

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William House

William House

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Exploring relationships between people and our planet — Stories and articles promoting science, art, environmental awareness, and human insights.