Megatypus
Encyclopedia
Megatypus is an extinct genus of insect. It looked like a dragonfly
Dragonfly
A dragonfly is a winged insect belonging to the order Odonata, the suborder Epiprocta or, in the strict sense, the infraorder Anisoptera . It is characterized by large multifaceted eyes, two pairs of strong transparent wings, and an elongated body...

and was related to these creatures, but was much larger.
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