living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Chromophycota see Phylum Chromophyta T.A.Chr. (1962), nom. nud.
           Class Dinophyceae Pascher (1914)
             Subclass Dinophycidae see Class Dinophyceae Pascher (1914)
               Genus Oxyrrhis Dujard. (1841)
               01 Order Blastodiniales Chatton (1906)
               02 Order Brachydiniales Sournia (1984) see Order Brachidiniales A.R. Loebl. ex Sournia (1984)
               03 Order Chytriodiniales see Order Gymnodiniales Apstein (1909)
               04 Order Desmocapsales Pascher (1914)
               05 Order Dinamoebales see Order Phytodiniales T. Christ. ex A.R. Loebl. (1970)
               06 Order Dinocloniales see Order Phytodiniales T. Christ. ex A.R. Loebl. (1970)
               07 Order Dinophysiales Kof. (1926) see Order Dinophysales Er. Lindem. (1928)
               08 Order Gloeodiniales see Order Phytodiniales T. Christ. ex A.R. Loebl. (1970)
               09 Order Gymnodiniales Apstein (1909)
               10 Order Noctilucales Haeckel (1894)
               11 Order Peridiniales Haeckel (1894)
               12 Order Phytodiniales T. Christ. ex A.R. Loebl. (1970) see Order Dinococcales Pascher (1914)
               13 Order Prorocentrales Lemmerm. (1910)
               14 Order Pyrocystales Apstein (1909) see Order Gonyaulacales F.J.R. Taylor (1980)
               15 Order Zooxanthellales see Order Peridiniales Haeckel (1894)