Levine et al., 1980
From dinoflaj2
Levine, N.D., Corliss, J.O., Cox, F.E.G., Deroux, G., Grain, J., Honigberg, B.M., Leedale, G.F., Loeblich, A.R.III, Lom, J., Lynn, D., Merinfeld, E.G., Page, F.C., Poljansky, G., Sprague, V., Vavra, J. and Wallace, F.G., 1980: A newly revised classification of the Protozoa. Journal of Protozoology, 27(1), p.37-58.