Judson, Mark L. I. 2012. “Nomenclatural Problems Associated With the Generic Names Obisium Leach, 1814, Blothrus Schiödte, 1847 and Neobisium Chamberlin, 1930 (Arachnida: Chelonethi)”. Zootaxa 3475 (1). Auckland, New Zealand:21–35. https://doi.org/10.11646/zootaxa.3475.1.2.