Full reference: H. F. Wickham. 1912. On some fossil Rhynchophorus Coleoptera from Florissant, Colorado. Bulletin of the American Museum of Natural History 31(4):41-55
Type specimen: UCM, an exoskeleton. Its type locality is Florissant, Station 17, which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.