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 1 Order Duboscquellales Cachon & Cachon-Enj. (1987) [within unnamed taxon] 2 Class Syndinea Chatton, 1920 [monotypic]