R. V.  Chamberlin, ?On some genera and species of American millipeds?, Bulletin of the University of Utah, vol. 34, pp. 1?20, 1943.

R. V.  Chamberlin, ?New western millipeds?, Bulletin of the University of Utah, vol. 31, no. 12, pp. 1?23, 1941.

R. V.  Chamberlin, ?New American Millipeds?, Bulletin of the University of Utah, vol. 31, 1941.