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 Dinococcales Pascher (1914)
             Family Symbiodiniaceae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
               51 Genus Aureodinium J.D. Dodge (1967)
               52 Genus Biecheleria Moestrup, K.C.R. Lindberg & Daugbjerg (2009)
               53 Genus Biecheleriopsis Moestrup, K.C.R. Lindberg & Daugbjerg (2009)
               54 Genus Piscinoodinium J. Lom (1981)
               55 Genus Polarella Montresor, Procaccini & Stoecker (1999)
               56 Genus Pelagodinium Siano, Montresor, Probert & de Vargas (2010)
               57 Genus Protodinium Lohmann (1908)
               58 Genus Symbiodinium Freud. (1962)