organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     alveolates Cavalier-Smith see [unranked] Alveolata Cavalier-Smith, 1991
       Phylum Dinoflagellata Engl. (1903) see Superclass Dinoflagellata Bütschli, 1885
         Class Dinophyceae Pascher (1914)
           Order Peridiniales Haeckel (1894)
             1 Family Heterocapsaceae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
             2 Family Peridiniaceaeᵀ Ehrenb. (1831)
             3 Family Congruentidiaceae J. Schiller (1935), nom. rej. see Family Protoperidiniaceae Balech (1988), nom. cons.
             4 Family Podolampaceae Er. Lindem. (1928) see Family Podolampadaceae Er. Lindem. (1928)
             5 Family Oxytoxaceae Er. Lindem. (1928)