Add Yahoo as a preferred source to see more of our stories on Google. The griffinfly, now extinct, once stretched its wings nearly 70 centimeters wide. (CREDIT: Werner Kraus / Wikimedia / CC BY-SA 4.0 ...
Ancient Earth once buzzed with enormous dragonfly-like insects, and scientists long thought high oxygen levels made their ...
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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 ...
Three hundred million years ago, dragonfly-like creatures with wingspans stretching 70 centimeters patrolled the skies of a world nothing like our own. These griffinflies, as paleontologists call them ...
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