additional sourceAttems, C. M. T. Graf von (1928). The Myriopoda of South Africa. Annals of the South African Museum, 26: 1-431. Edinburgh, available online athttps://biodiversitylibrary.org/page/40649179 page(s): 342 [details]
additional sourceDemange, J.-M. (1973). Contribution à la connaissance du genre Urotropis Silvestri, 1896. Bollettino del Laboratorio di entomologia agraria "Filippo Silvestri", 30: 244-252 page(s): 245-246, 248, figs. 1-3 [details]
additional sourceKrabbe, E. (1982). Systematik der Spirostreptidae (Diplopoda, Spirostreptomorpha). Abhandlungen und Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg (N.F.), 24: 1-476. Hamburg page(s): 229 [details]