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 genera and species of North American Paraiulidae?, Bulletin of the University of Utah, vol. 30, pp. 1?38, 1940.

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