original description(ofCheirauxus sapiens Chamberlin, 1949)Chamberlin, R. V. (1949). Some millipeds of the families Polydesmidae and Xystodesmidae. <em>Journ. Washington Acad. Sci.</em> 39(3): 94-102. page(s): 97 [details]
original description(ofXystocheir obtusa Cook, 1904)Cook, O. F. (1904). Myriapoda of northwestern North America. <em>Harriman Expedition 8 Insects.</em> Pt. 1: 47–82. page(s): 53 [details]
original description(ofXystocheir acuta Cook, 1904)Cook, O. F. (1904). Myriapoda of northwestern North America. <em>Harriman Expedition 8 Insects.</em> Pt. 1: 47–82. page(s): 54 [details]
original description(ofXystocheir milpitas Chamberlin, 1949)Chamberlin, R. V. (1949). Some millipeds of the families Polydesmidae and Xystodesmidae. <em>Journ. Washington Acad. Sci.</em> 39(3): 94-102. page(s): 99 [details]
original description(ofPolydesmus dissecta dissecta Wood, 1867)Wood, H. C. (1867). Notes on a collection of California Myriapoda, with descriptions of new Eastern species. Proceedings of the Academy of natural Science of Philadelphia, 1867: 127-130 page(s): 129 [details]
source of synonymyHoffman, R. L. (1999). Checklist of the millipedes of North and Middle America. Virginia Museum of Natural History, special publication, 8: 1-584. Martinsville page(s): 381 [details]
Present Inaccurate Introduced: alien Containing type locality