Honigberg, B.M., Balamuth, W., Bovee, E.C., Corliss, J.O., Gojdics, M., Hall, R.P., Kudo, R.R., Levine, N.D., Loeblich, A.R.Jr., Weiser, J. and Wenrich, D.H.,
1964
A revised classification of the phylum Protozoa.
Journal of Protozoology, 11(1):7-20.