Schmied, H., T. Wappler, and J. Kolibáč. “A New Bark-Gnawing Beetle (Coleoptera, Trogossitidae) from the Middle Eocene of Europe, With a Checklist of Fossil Trogossitidae”. Zootaxa, vol. 1993, no. 1, Feb. 2009, pp. 17–26, doi:10.11646/zootaxa.1993.1.2.