L. A. Pereira, “ Redescription of Pectiniunguis gaigei (Chamberlin, 1921) from Guyana, with new distributional data and complementary descriptive notes on similar neotropical species (Chilopoda: Geophilomorpha: Schendylidae) ”, Pap. Avulsos Zool., vol. 50, no. 20, pp. 297–321, Jan. 2010, doi: 10.1590/S0031-10492010002000001.