organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     stramenopiles Patterson, 1990, nom. vernac. see [unranked] Stramenopiles Patterson, 1990
       stramenochromes Patterson, 1994
         Class Synurophyceae Andersen (1987) see Class Chrysophyceae Fritsch (1927)
           Order Synuralesᵀ R.A. Andersen (1987)
             Family Synuraceaeᵀ Lemmermann (1899)
               1 Genus Chrysodidymus Prowse (1962)
               2 Genus Synura Ehrenb. (1834)
               3 Genus Tessellaria Playfair (1918), nom. illeg.
               4 ?Genus Pseudosyncrypta Kisselew (1931)