original descriptionChamberlin, R. V. (1951). Eleven new western millipeds. <em>Natural History Miscellanea.</em> 87: 1-12. page(s): 10 [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): 132 [details]
new combination referenceCausey, N. B. (1954). New records and species of millipeds from the western United States and Canada. Pan-Pacific Entomologist, 30(3): 221-230 page(s): 226; note: Utoiulus leechi [details]
Present Inaccurate Introduced: alien Containing type locality