ammonites
Cixius hesperidum Scudder 1878 (cixiid planthopper)

Insecta - Hemiptera - Cixiidae

Full reference: S. H. Scudder. 1878. The Fossil Insects of the Green River Shales. Bulletin of the United States Geological and Geographical Survey of the Territories 4(4):747-776

Belongs to Cixius according to S. H. Scudder 1890

Sister taxa: Cixius proavus, Cixius vitreus

Type specimen: 38, a tegmen (nearly perfect). Its type locality is Petrified fish cut (Scudder collection), which is in a Bridgerian lacustrine - large diatomite/shale in the Green River Formation of Wyoming.

Ecology:

Average measurements (in mm): tegmen 6.20 x 2.50