Meganeura

This creature was a giant dragonfly that lived between 325 and 300 million years ago, in the swamps of north America not long after the first animals and plants began to adapt to life on land. It had a wingspan of over three feet across.

LOTM Storyline
Several various characters that have time travelled back to this time (known as the Carboniferous period) have only narrowly avoided getting bitten by some of them!