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 Syndiniophyceae A.R. Loebl. (1976) see Class Syndinea Chatton, 1920
           Order Syndiniales A.R. Loebl. (1976)
             Family Syndiniaceae Chatton (1920)
               1 Genus Syndinium Chatton (1910)
               2 Genus Merodinium Chatton (1923)