Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Peridiniobiota Starobogatov ex Doweld (2001)
       Subkingdom Peridiniobiotina Doweld (2001)
         Phylum Peridiniophyta Engl. (1909)
           Subphylum Peridiniophytina Potonie (1894)
             1 Class Peridiniophyceae Knoblauch (1890)
             2 Class Blastodiniophyceae Fensome, Taylor, Norris, Sarjeant, Wharton & Williams (1993) see Class Dinophyceae Pascher (1914)
             3 Class Noctilucophyceae Fensome, Taylor, Norris, Sarjeant, Wharton & Williams (1993) see Class Noctiluciphyceae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)