Floyd W. Shockley; Dale Greenwalt (2013). «Ptenidium kishenehnicum (Coleoptera: Ptiliidae), a New Fossil Described from the Kishenehn Oil Shales, with a Checklist of Previously Known Fossil Ptiliids». Proceedings of the Entomological Society of Washington115 (2): 173-181. doi:10.4289/0013-8797.115.2.173.