chromalveolates see Supergroup Chromalveolata Adl et al., 2005
   Kingdom Protozoa Goldfuss, 1818 - protozoa
     Infrakingdom Alveolata Cavalier-Smith, 1991 see [unranked] Alveolata Cavalier-Smith, 1991
       Phylum Myzozoa Cavalier-Smith & Chao, 2004 see Subphylum Myzozoa Cavalier-Smith & Chao, 2004
         Subphylum Dinozoa Cavalier-Smith, 1981 see Infraphylum Dinozoa Cavalier-Smith, 1981
           Infraphylum Dinoflagellata Bütschli, 1885 see Superclass Dinoflagellata Bütschli, 1885
             Superclass Dinokaryota Fensome et al., 1993
               Class Peridinea Ehrenberg, 1830
                 Subclass Gonyaulacoidia Cavalier-Smith, 2004 [monotypic]
                   Order Gonyaulacida Taylor, 1980 see Order Gonyaulacales F.J.R. Taylor (1980)
                     1 Genus Ceratium Schrank, 1793 see Genus Ceratium Schrank (1793)
                     2 Genus Crypthecodinium Biecheler, 1939 see Genus Crypthecodinium Biecheler (1938)