The Meganisoptera were the giant dragonflies from the Palaeozoic era. They lived in the Pennsylvanian (late Carboniferous) epoch to the late Permian period. The group used to be called Protodonata.

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Meganeura

The largest of these dragonflies was Meganeuropsis from the early Permian. It had a wingspan of 28 inches (71 cm). Not all this group had giant size, but they were all larger than modern dragonflies.

The modern classification is as follows:

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