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 Peridinoidia Poche, 1913 [paraphyletic?]
                   1 Genus Peridinium Ehrenberg, 1830 see Genus Peridinium Ehrenb. (1830)
                   2 Genus Heterocapsa Stein, 1883 see Genus Heterocapsa F. Stein (1883)
                   3 Genus Prorocentrum Ehrenberg, 1834 see Genus Prorocentrum Ehrenberg, 1834
                   4 Genus Haplozoon Dogiel, 1906 see Genus Haplozoon Dogiel (1906)
                   5 Genus Amylodinium Brown & Hovasse, 1946