Chagas Junior, A., and R. M. Shelley. “Rediscovery and Redescription of the Centipede Paracryptops inexpectus Chamberlin, 1914, With an Account of the Genus (Scolopendromorpha: Cryptopidae: Cryptopinae)”. Zootaxa, vol. 475, no. 1, Mar. 2004, pp. 1–8, doi:10.11646/zootaxa.475.1.1.