Named By: Frank M. Carpenter - 1939.
Classification: Arthtropoda, Insecta, Odonatoptera, Protudonata, Meganeuridae.
Species: M. americana, M. permiana.
Size: Up to 69 centimetre wingspan, 43 centimetre body length.
Known locations: USA.
Time period: Late Permian.
Fossil representation: Remains for two species of the genus.
Along with Meganeura, Meganeuropsis was a griffinfly of the Paleozoic, and prooves that the giant griffinflies flew throughout the Permian period. The fossil of Meganeuropsis americana recovered from Oklahoma in 1940, features the largest complete insect wing ever found.