original descriptionCook, O. F. (1904). Myriapoda of northwestern North America. <em>Harriman Expedition 8 Insects.</em> Pt. 1: 47–82. page(s): 68 [details]
original description(ofHiltonius thebanus Chamberlin, 1941)Chamberlin, R. V. (1941). New American Millipeds. <em>Bulletin of the University of Utah 31(11), Biological Series.</em> 6(4): 1-39. Salt Lake City. page(s): 8 [details]
original description(ofOnychelus jaegeri Chamberlin, 1947)Chamberlin, R. V. (1947). Some records and descriptions of diplopods chiefly in the collection of the academy. Proceedings of the Academy of natural Science of Philadelphia, 99: 21-58. Philadelphia page(s): 50 [details]
original description(ofOnychelus medolus Chamberlin, 1941)Chamberlin, R. V. (1941). New American Millipeds. <em>Bulletin of the University of Utah 31(11), Biological Series.</em> 6(4): 1-39. Salt Lake City. page(s): 13 [details]
additional sourceHoffman, R. L.; Orcutt, B. S. (1960). A synopsis of the Atopetholidae, a family of spiroboloid millipeds. Proceedings of the United States National Museum, 111(3426): 95-166. Washington D.C. page(s): 142 [details]
additional sourceShelley, R. M. (1998). The milliped genus Onychelus Cook (Spirobolida: Atopetholidae: Onychelinae). Myriapodologica, 5(11): 111-117. Martinsville[details]
additional sourceHoffman, 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): 65 [details]
source of synonymyJeekel, C. A. W. (1971). Nomenclator generum et familiarum Diplopodorum: A list of the genus and family-group names in the Class Diplopoda from the 10th edition of Linnaeus, 1758, to the end of 1957. Monografieen van de Nederlandse Entomologische Vereniging, 5: 1-412. Amsterdam page(s): 201 [details]
Present Inaccurate Introduced: alien Containing type locality