original descriptionMichaelsen, W. (1891). Terricolen der Berliner Zoologischen Sammlung. I. Afrika. <em>Archiv fur Naturgeschichte.</em> 57(1):205-228., available online athttps://www.biodiversitylibrary.org/page/6400696 page(s): 225 [details]
additional sourceBeddard, F.E. (1895). A monograph of the order of Oligochaeta. <em>[Book].</em> 769 pp. The Clarendon Press, Oxford., available online athttps://www.biodiversitylibrary.org/item/71343 page(s): 565 [details]