original descriptionChamberlin, R. V. (1925). Notes on some centipeds and millipeds from Utha. Pan-Pacific Entomologist, 2(2): 55-63 page(s): 63 [details]
additional sourceShelley, R. M. (1993). The milliped genus Underwoodia (Chordeumatida: Caseyidae). Canadian Journal of Zoology, 71: 168-176[details]
additional sourceHoffman, R. L. (1999). Checklist of the millipedes of North and Middle America. <em>Virginia Museum of Natural History, special publication.</em> 8: 1-584. page(s): 264 [details]
source of synonymyHoffman, R. L. (1999). Checklist of the millipedes of North and Middle America. <em>Virginia Museum of Natural History, special publication.</em> 8: 1-584. page(s): 264 [details]
Present Inaccurate Introduced: alien Containing type locality