Who: Meganeura monyi, Meganeuropsis americana, Meganeuropsis permiana, and Megatypus schuchert

What: Griffenfly

When: Upper Carboniferous – Permian

Where: Midwestern United States

The largest insects that ever lived were the griffenflies, which were not dragonflies, although they look similar. The largest of these insects had wingspans of about 2.3 feet!

• 
• 
•