Mironov, S. V., and J. Dabert. “Systematic Revision of the Feather Mite Genus Protolichus Trouessart, 1884 (Astigmata, Pterolichidae)”. Zootaxa, vol. 2526, no. 1, July 2010, pp. 1–36, doi:10.11646/zootaxa.2526.1.1.