Sagorny, C. & Wesener, T. (2017)

Two new giant pill-millipede species of the genus Zoosphaerium endemic to the Bemanevika area in northern Madagascar (Diplopoda, Sphaerotheriida, Arthrosphaeridae)

. Zootaxa, 4263 (2), 273–294.
https://doi.org/10.11646/zootaxa.4263.2.4