Science

Ocean Oxygenation during Mid-Devonian Enabled Expansion of Animals into Deeper-Water Habitats

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Aug 26, 2025 - 09:45
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Ocean Oxygenation during Mid-Devonian Enabled Expansion of Animals into Deeper-Water Habitats
Artistic rendering of Brindabellaspis stensioi (foreground) with a range of other Devonian fossil fishes; the white shark and human diver in the upper right corner represent modern jawed vertebrates. Image credit: Hongyu Yang / Qiuyang Zheng.

Around 390 million years ago (Devonian period), marine animals began colonizing depths previously uninhabited.

The post Ocean Oxygenation during Mid-Devonian Enabled Expansion of Animals into Deeper-Water Habitats appeared first on Sci.News: Breaking Science News.

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