D. G.  Herbert, ?The terrestrial slugs of KwaZulu-Natal: diversity, biogeography and conservation?, Ann. Natal Mus., vol. 38, pp. 197-239, 1997.

A. A.  Schilekyo, ?Treatise on recent terrestrial pulmonate molluscs?, 9, vol. Ruthenica, 2002.

A. A.  Schilekyo, ?Treatise on recent terrestrial pulmonate molluscs?, Ruthenica, vol. 10, 2003.

A. A.  Schilekyo, ?Treatise on recent terrestrial pulmonate molluscs?, Ruthenica, vol. 11, 2003.