Zhang, F., and B.-S. Zhang. “Spiders of the Genus Phycosoma O. P.-Cambridge, 1879 (Araneae: Theridiidae) from Hainan Island, China”. Zootaxa, vol. 3339, no. 1, June 2012, pp. 30–43, doi:10.11646/zootaxa.3339.1.2.