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 Class Syndinea Chatton, 1920 [monotypic] Order Syndiniales A.R. Loebl. (1976) Family Sphaeriparaceae A.R. Loebl. (1970) 16 Genus Atlanticellodinium Cachon & Cachon-Enj. (1965) [monotypic] 17 Genus Sphaeripara Poche (1911)