Johanson, K. A., and R. W. Holzenthal. “Thirteen New Species and New Distribution Records of Helicopsyche (Feropsyche) Johanson from Venezuela (Trichoptera: Helicopsychidae)”. Zootaxa, vol. 711, no. 1, Nov. 2004, pp. 1–40, doi:10.11646/zootaxa.711.1.1.