PaleoDB taxon number: 207487
Full reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734
Type specimen: MCZ 394, an exoskeleton (head, thorax & wings). Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Ecology: fast-moving volant carnivore-insectivore
Average measurements (in mm): abdomen length 24.5, forewing 21.3 x 4.6, thorax length 5.00