PORRAS, M. F. “From the Carnival to the Stereoscope: Zeromastax (Orthoptera: Eumastacidae), a New Genus of Clown Grasshoppers”. Revista Colombiana De Entomología, vol. 33, no. 1, June 2007, pp. 70-73, doi:10.25100/socolen.v33i1.9318.