What event or change defines the Paleogene-Neogene boundary?
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The Paleogene-Neogene boundary, formerly known as the Tertiary boundary, is defined by a significant climate event called the Grande Coupure. This event, occurring around 33.9 million years ago, marked a shift in mammalian fauna, with many extinctions and the emergence of new species.
The Paleogene-Neogene boundary, formerly known as the Tertiary boundary, is defined by a significant climate event called the Grande Coupure. This event, occurring around 33.9 million years ago, marked a shift in mammalian fauna, with many extinctions and the emergence of new species.
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