Guimarães, Lindolpho R. “Ischnocera (Mallophaga) Infesting Parrots (Psittaciformes). IV. Genus Echinophilopterus Ewing, 1927”. Papéis Avulsos De Zoologia, vol. 33, no. 1-25 (1979-1980), May 1980, pp. 127-56, https://doi.org/10.11606/0031-1049.1980.33.p127-156.