J. Drohojowska, “Eogyropsylla sedzimiri sp. nov. from Eocene Baltic amber with a key to the species of the fossil genus Eogyropsylla Klimaszewski, 1993 (Hemiptera: Sternorrhyncha: Psylloidea)”, Zootaxa, vol. 2803, no. 1, pp. 41–48, Mar. 2011.