Meganeuropsis

Common card · No. 268224

Meganeuropsis, from Ancient Greek μέγας (mégas), meaning "large", νεῦρον (neûron), meaning "nerve", and ὄψις (ópsis), meaning "appearance", is an extinct genus of griffenfly, order Meganisoptera, known from the Early Permian Wellington Formation of North America, and represents the largest known insect of all time. Meganeuropsis existed during the Artinskian age of the Permian period, 290.1–283.5 mya. The genus includes two described species by Frank Morton Carpenter, fossil insect curator at the Museum of Comparative Zoology at Harvard University: Meganeuropsis permiana described in 1939 from Elmo, Kansas. It was one of the largest known insects that ever lived, with a reconstructed wing length of 330 millimetres (13 in), an estimated wingspan of up to 710 millimetres (28 in), and a body length from head to tail of almost 430 millimetres (17 in). The holotype is held in the Museum of Comparative Zoology. Meganeuropsis americana, discovered in Noble, Oklahoma in 1940, is most probably a...

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