Phylum Dinoflagellata Engl. (1903) see Superclass Dinoflagellata Bütschli, 1885
Count: [*†*] 4c;13o;53f;257g; †1o;11f;512g [2 Mar 2016]
   Subphylum Dinokaryota Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
  Count: [*†*] 3c;12o;49f;243g; †1o;10f;511g [2 Mar 2016]
     Class Dinophyceae Pascher (1914)
    Count: [*†*] 10o;40f;207g; †1o;10f;511g [2 Mar 2016]
       Subclass Peridiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
      Count: [*†*] 2o;18f;96g; †9f;490g [26 Feb 2016]
         Order Gonyaulacales F.J.R. Taylor (1980)
        Count: [*†*] 9f;35g; †6f;323g [24 Feb 2016]
           Suborder Goniodomineae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
          Count: [*†*] 2f;11g; †1g [24 Feb 2016]
             Family Goniodomaceae Er. Lindem. (1928) see Family Goniodomataceae Er. Lindem. (1928)
            Count: [*†*] 10g; †1g [23 Feb 2016]
               Subfamily Helgolandinioideae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) see Family Pyrocystaceae (F. Schütt) Lemmerm. (1899)
              Count: [*] 4g [23 Feb 2016]
                 Genus Pyrophacus F. Stein (1883)
                Count: -