Lourenço, W.R., Aguiar, N.O. and Franklin, E. 2005. First record of the scorpion genus Chactas Gervais, 1844, for Brazil with description of a new species from western State of Amazonas (Scorpiones: Chactidae). Zootaxa. 984, 1 (May 2005), 1–8. DOI:https://doi.org/10.11646/zootaxa.984.1.1.