Kingdom Chromalveolata Adl et al., 2005 see Kingdom Chromista Caval.-Sm. (1981)
   Infrakingdom Alveolata Cavalier-Smith, 1991 see [unranked] Alveolata Cavalier-Smith, 1991
     Phylum Myzozoa Cavalier-Smith & Chao, 2004 see Subphylum Myzozoa Cavalier-Smith & Chao, 2004
       Superclass Syndina Cavalier-Smith, 1993 [monotypic] see Superclass Dinoflagellata Bütschli, 1885
         Order Duboscquellales Cachon & Cachon-Enj. (1987) [within unnamed taxon]
           1 Family Duboscquellaceae Chatton ex A.R. Loebl. (1970)