Frederiksen, S.B. & Enghoff, H. (2012) East African odontopygid millipedes 1: Five new species of Xystopyge (Attems, 1909) and a proposal for a new gonopod terminology (Diplopoda; Spirostreptida; Odontopygidae). Zootaxa, 3485 (1), 69–82.
https://doi.org/10.11646/zootaxa.3485.1.5