Fukushima, C.S., Bertani, R. and Da Silva, P.I. 2005. Revision of Cyriocosmus Simon, 1903, with notes on the genus Hapalopus Ausserer, 1875 (Araneae: Theraphosidae). Zootaxa. 846, 1 (Feb. 2005), 1–31. DOI:https://doi.org/10.11646/zootaxa.846.1.1.