Mwabvu, T., M. Hamer, R. Slotow, and D. Barraclough. “A Revision of the Taxonomy and Distribution of Spirostreptus Brandt 1833 (Diplopoda, Spirostreptida, Spirostreptidae) With Descriptions of a New Species and a New Genus of Spirostreptid Millipede”. Zootaxa, vol. 2211, no. 1, Aug. 2009, pp. 36–56, doi:10.11646/zootaxa.2211.1.2.