original description
Shelley, R. M. (1981). A new xystodesmid milliped genus and three new species from Piedmont South Carolina (Polydesmida: Xystodesmidae). Proceedings of the Biological Society of Washington, 94(4): 949-967. Amsterdam
page(s): 959 [details]
original description
(of Sigmoria convoluta (Shelley, 1981)) Shelley, R. M. (1981). A new xystodesmid milliped genus and three new species from Piedmont South Carolina (Polydesmida: Xystodesmidae). Proceedings of the Biological Society of Washington, 94(4): 949-967. Amsterdam
page(s): 959 [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.
page(s): 326 [details]
additional source
Marek, P. E.; Tanabe, T.; Sierwald, P. (2014). A species catalog of the millipede family Xystodesmidae. <em>Virginia Museum of Natural History Publications.</em> 17: 1-117., available online at https://drive.google.com/file/d/1q2QsOY_MMeyn0wr-Y6cHK0kEqeaLqip-/view
page(s): 23 [details]
From editor or global species database