Insecta - Odonata - Megapodagrionidae

Alternative combination: Lithagrion optimum

Full reference: T. D. A. Cockerell. 1916. Some American fossil insects. Proceedings of the United States National Museum 51:89-106

Belongs to Miopodagrion according to A. Nel and J. C. Paicheler 1994

Sister taxa: none

Type specimen: Its type locality is Florissant (USGS collection), which is in an Eocene lacustrine - large shale/volcaniclastic in the Florissant Formation of Colorado

Ecology: fast-moving volant carnivore-insectivore

Average measurements (in mm): body length 51.0, forewing 36.0 x 7.5