Geissler, Peter, and Alexander Kupfer. “On the Taxonomic Status of Lygosoma (Keneuxia) dubium Werner, 1909”. Zootaxa 4543, no. 2 (January 6, 2019): 295–300. Accessed April 14, 2025. https://mapress.com/zt/article/view/zootaxa.4543.2.9.