original description
(of Xystocheir modestior haerens Shelley, 1996) Shelley, R. M. (1996). Revision of the milliped genus Xystocheir Cook (Polydesmida: Xystodesmidae). Canadian Journal of Zoology, 74(7): 1336-1363
page(s): 1358 [details]
additional source
Hoffman, 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 at https://www.biodiversitylibrary.org/page/63590410
page(s): 382 [details]
additional source
Shelley, R. M. (2002). Annotated checklist of the millipeds of California (Arthropoda: Diplopoda). Monographs of the Western North American Naturalist, 1: 90-115
page(s): 111 [details]
status source
Means, J. C.; Hennen, D. A.; Tanabe, T.; Marek, P. E. (2021). Phylogenetic Systematics of the Millipede Family Xystodesmidae. <em>Insect Systematics and Diversity.</em> 5(2)., available online at https://doi.org/10.1093/isd/ixab003
page(s): Supplementary Text 1 [details] Available for editors 
From editor or global species database