Division Dinoflagellata Engl. (1903) see Superclass Dinoflagellata Bütschli, 1885
Status: extant
   Subdivision Dinokaryota Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) see Superclass Dinokaryota Fensome et al., 1993
  Status: extant
     Class Dinophyceae Pascher (1914)
    Status: extant
       Subclass Peridiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
      Status: extant
         Order Gonyaulacales F.J.R. Taylor (1980)
        Status: extant
           Suborder Gonyaulacineae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
          Status: extant
             Family Gonyaulacaceae Er. Lindem. (1928)
            Status: extant
               Subfamily Gonyaulacoideae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
              Status: extant
                 Genus †Prionodinium Leffingwell & Morgan (1977)
                Status: fossil