PaleoDB taxon number: 207481
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: 13238, a nymph. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Average measurements (in mm): foreleg length 4.00, hindleg length 8.00, nymph body 25.0 x 4.5, setae length 7.00, wing pads length 4.50