Levine et al., 1980
From dinoflaj3
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.