L. R. Guimarães, “Ischnocera (Mallophaga) infesting parrots (Psittaciformes). III. Notes on some species of the genus Paragoniocotes Cummings, 1916, with description of a new species”, Pap. Avulsos Zool., vol. 28, no. 1-16, pp. 255–267, Jan. 1975, doi: 10.11606/0031-1049.1975.28.p255-267.