Full reference: T. D. A. Cockerell. 1916. Some American fossil insects. Proceedings of the United States National Museum 51:89-106
Sister taxa: none
Type specimen: USNM 61996, an exoskeleton. Its type locality is Florissant (Wilson coll), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Average measurements (in mm): body length 6.50, wing length 6.70