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 Dinokaryota Fensome et al., 1993 Class Dinoflagellata Bütschli, 1885 see Superclass Dinoflagellata Bütschli, 1885 Order Peridiniales Haeckel (1894) Family Protoperidiniaceae Balech (1988), nom. cons. 161 Genus Protoperidinium Bergh (1881)