Division Dinoflagellata Engl. (1903) see Superclass Dinoflagellata Bütschli, 1885
Count: [*†*] 4c;13o;45f;285g; †1o;11f;583g
   Subdivision Dinokaryota Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) see Superclass Dinokaryota Fensome et al., 1993
  Count: [*†*] 3c;12o;41f;190g; †1o;11f;523g
     Class Dinophyceae Pascher (1914)
    Count: [*†*] 10o;32f;154g; †1o;10f;522g
       Subclass Dinophysiphycidae Möhn ex Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
      Count: [*†*] 1o;3f;15g; †1o;1f;3g
         Order †Nannoceratopsiales Piel & Evitt (1980) [monotypic]
        Count: [†*] †1f;1g
           Family †Nannoceratopsiaceae Gocht (1970) [monotypic]
          Count: [†*] †1g
             1 Genus †Nannoceratopsis Deflandre (1939)
            Count: -