(ofSpirobolus gordanus Chamberlin, 1943)Chamberlin, R. V. (1943). On some genera and species of American millipeds. Bulletin of the University of Utah, Biological series, 8(2): 1-20 page(s): 5 [details]
original description(ofArctobolus keysi Loomis, 1944)Loomis, H. F. (1944). Millipeds principally collected by Professor V. E. Shelford in the eastern and southeastern United States. Psyche, 51(3-4): 166-177 page(s): 169 [details]
original description(ofSpirobolus gordanus Chamberlin, 1943)Chamberlin, R. V. (1943). On some genera and species of American millipeds. Bulletin of the University of Utah, Biological series, 8(2): 1-20 page(s): 5 [details]
Present Inaccurate Introduced: alien Containing type locality