Three hundred million years ago, dragonfly-like creatures with wingspans stretching 70 centimeters patrolled the skies of a ...
Scientists rethink why giant insects once ruled the skies, finding oxygen may not explain their size or disappearance.
IFLScience on MSN
300 million years ago, insects were enormous. That stopped – and we’re probably wrong about why
Fossil relatives of dragonflies, known as griffinflies, had wingspans of 70 centimeters (28 inches) 300 million years ago, and they weren’t the era’s only insects that far exceeded their modern ...
Insects first took to the skies about 350 million years ago, some 200 million years before birds first flapped their wings.
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