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 Diplopsaliaceae Matsuoka (1988)
               162 Genus Genus of Protoperidiniun depressum F. Gómez (2012)
               163 Genus Boreadinium J.D. Dodge & H.B. Hermes (1981)
               164 Genus Diplopelta F. Stein ex Jørg. (1912)
               165 Genus Diplopsalis Bergh (1882)
               166 Genus Diplopsalopsis Meunier (1910)
               167 Genus Dissodium T.H. Abé (1941)
               168 Genus Gotoius T.H. Abé ex Matsuoka (1988)
               169 Genus Lebouraia T.H. Abé ex Sournia (1986)
               170 Genus Oblea Balech ex Loebl. & A.R. Loebl. (1966)
               171 Genus Preperidinium L. Mangin (1913)