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 Gymnodiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
      Count: [*†*] 3o;9f;41g; †1f;13g
         Order Suessiales Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) see Order Dinococcales Pascher (1914)
        Count: [*†*] 1f;1g; †1f;4g
           Family Symbiodiniaceae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
          Count: [*] 1g
             1 Genus Symbiodinium Freud. (1962)
            Count: -