original description
(of Sigmodesmus nannus Chamberlin, 1927) Chamberlin, R. V. (1927). The Chilopoda and Diplopoda collected by the American Museum of Natural History Congo Expedition (1909-1915), with notes on some other African species. Bulletin of the American Museum of Natural History, 57(4): 177-249. New York
page(s): 237, figs. 141-144 [details] Available for editors 
new combination reference
Hoffman, R. L. (2005). Monograph of the Gomphodesmidae, a family of African polydesmoid millipeds. Naturhistorisches Museum, Wien, 1-537
page(s): 292, figs. 260-262, map 18, 287; note: Sphenodesmus rugulosus nannus stat. nov. [details]
From editor or global species database