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)
               Order Peridiniales Haeckel (1894)
                 01 Family Archaeosphaerodiniopsidaceae
                 02 Family Ceratiaceae Kof. (1907)
                 03 Family Ceratocoryaceae Er. Lindem. (1928) see Family Ceratocorythaceae Er. Lindem. (1928)
                 04 Family Ceratoperidiniaceae see Subfamily Ptychodiscoideae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
                 05 Family Cladopyxidaceae F. Stein (1883)
                 06 Family Crypthecodiniaceae Biecheler ex Chatton (1952)
                 07 Family Dinosphaeraceae Er. Lindem. (1928) see Family Glenodiniaceae Wiley & Hickson (1909)
                 08 Family Glenodiniaceae Wiley & Hickson (1909)
                 09 Family Gonyaulacaceae Er. Lindem. (1928)
                 10 Family Heteraulacaceae Loebl. & Drugg (1968) see Family Thoracosphaeraceae J. Schiller (1930)
                 11 Family Heterodiniaceae Er. Lindem. (1928)
                 12 Family Lophodiniaceae Osorio-Tafall (1942) see Family Glenodiniaceae Wiley & Hickson (1909)
                 13 Family Ostreopsidaceae Er. Lindem. (1928)
                 14 Family Oxytoxaceae Er. Lindem. (1928)
                 15 Family Peridiniaceae Ehrenb. (1831)
                 16 Family Podolampaceae Er. Lindem. (1928) see Family Podolampadaceae Er. Lindem. (1928)
                 17 Family Pyrophacaceae Er. Lindem. (1928) see Family Pyrocystaceae (F. Schütt) Lemmerm. (1899)
                 18 Family Thecadiniaceae Balech (1956)