Revision of some of the oldest species in the millipede genus Sphaerotherium Brandt, 1833 (Diplopoda, Sphaerotheriida, Sphaerotheriidae), with new synonymies

Spiegel, Didier Van den, Golovatch, Sergei I., Hamer, and Michelle L. (2002): Revision of some of the oldest species in the millipede genus Sphaerotherium Brandt, 1833 (Diplopoda, Sphaerotheriida, Sphaerotheriidae), with new synonymies. African Invertebrates 43: 143-181, DOI: http://doi.org/10.5281/zenodo.766607