E. A.  Smith, ?On the land-shells of Western Australia?, Proceedings of the Malacological Society of London, vol. 1, pp. 84-99, 1894.

G. W.  Tryon, Manual of Conchology : structural and systematic, with illustrations of the species : second Series: Pulmonata, vol. 13. Philadelphia: , 1900, p. 254.

G. K.  Gude, Mollusca. II. Trochomorphidae-Janellidae, vol. 3. London: Taylor and Francis, 1914, p. 520.

G. W.  Tryon, Manual of Conchology : structural and systematic, with illustrations of the species : second Series: Pulmonata, vol. 25. Philadelphia: , 1918, p. 433.

G. W.  Tryon, Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr. Second series, Pulmonata, vol. 24. Philadelphia: , 1916, p. 380.

G. W.  Tryon, Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr. Second series, Pulmonata, vol. 23. Philadelphia: , 1915, p. 380.