original descriptionCook, O. F. (1904). Myriapoda of northwestern North America. <em>Harriman Expedition 8 Insects.</em> Pt. 1: 47–82. page(s): 65 [details]
original description(ofCalifornibolus Verhoeff, 1937)Verhoeff, K. W. (1937). Zur Kenntnis der Rhinocricidae. Zoologischer Anzeiger, 118(3-4): 90-102. Jena page(s): 99 [details]
original description(ofAuxobolus Chamberlin, 1949)Chamberlin, R. V. (1949). On some western millipeds of the order Spirobolida. <em>Journal of the Washington Academy of Sciences.</em> 39: 163-169. page(s): 163 [details]