original descriptionSilvestri, F. (1910). Descrizioni preliminari di novi generi di Diplopodi. Zoologischer Anzeiger, 35(12-13): 357-364. Jena, available online athttps://biodiversitylibrary.org/page/9741798 page(s): 359 [details]
original description(ofIlyma 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): 24 [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[details]
Present Inaccurate Introduced: alien Containing type locality