status sourceShelley, R. M. (1976). Millipeds of the Sigmoria latior complex (Polydesmida: Xystodesmidae). Proceedings of the Biological Society of Washington, 89: 17-38, available online athttps://www.biodiversitylibrary.org/page/34558327 page(s): 21; note: Fig 3, 6-14 [details]