Template:Beckemeyer & Engel, 2008
- Beckemeyer, R.J. & Engel, M.S. 2008. A second specimen of Permocoleus (Coleoptera) from the Lower Permian Wellington formation of Noble County, Oklahoma. Journal of the Kansas Entomological Society 81: 4–7. DOI: 10.2317/JKES-708.01.1
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