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 Protalveolata Cavalier-Smith, 1991 [paraphyletic?] see Subphylum Protalveolata Cavalier-Smith, 1991
             Class Perkinsea Levine, 1978
               Genus Phagodinium Kristiansen, 1993