Template:Scudder, 1900a
- Scudder, S.H. 1900. Adephagous and clavicorn Coleoptera from the Tertiary deposits at Florissant, Colorado with descriptions of a few other forms and a systematic list of the non-Rhynchophorous Tertiary Coleoptera of North America. Monographs of the United States Geological Survey 40: 1–148. BHL