Chamberlin, R. V. (1939). On some diplopods of the family Fontariidae. <em>Bulletin of the University of Utah, Biological Series.</em> 30(2): 1-19. Salt Lake City. page(s): 5 [details]
original descriptionChamberlin, R. V. (1939). On some diplopods of the family Fontariidae. <em>Bulletin of the University of Utah, Biological Series.</em> 30(2): 1-19. Salt Lake City. page(s): 5 [details]
original description(ofPachydesmus crassicutis duplex Chamberlin, 1939)Chamberlin, R. V. (1939). On some diplopods of the family Fontariidae. <em>Bulletin of the University of Utah, Biological Series.</em> 30(2): 1-19. Salt Lake City. page(s): 5 [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., available online athttps://www.biodiversitylibrary.org/page/63590410 page(s): 372 [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., available online athttps://www.biodiversitylibrary.org/page/63590410 page(s): 372 [details]
status sourceHoffman, R. L. (1958). Revision of the milliped genus Pachydesmus (Polydesmida: Xystodesmidae). Proceedings of the United States National Museum, 108(3399): 181-218 page(s): 206; note: reduced species to subspecies: Pachydesmus crassicutis duplex [details]
Present Inaccurate Introduced: alien Containing type locality