↑(de) Roesler, R. 1944. Die Gattungen der Copeognatha. Stettiner Entomologi-sches Zeitung 105:117–66.
(en) Diverse barklice (Psocodea) from Late Cretaceous Vendean amber. Dany Azar, André Nel, Vincent Perrichot, Paleontological Contributions, 2014, Fossil arthropods in Late Cretaceous Vendean amber (northwestern France), 10C, pp.9-15. (accessible sur le site hal-insu.archives-ouvertes.fr)