Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                                 Superphylum Alveolata Cavalier-Smith, 1991
                                   Phylum Miozoa Cavalier-Smith, 1987
                                     Subphylum Myzozoa Cavalier-Smith & Chao, 2004
                                       Infraphylum Dinozoa Cavalier-Smith, 1981
                                         Superclass Dinoflagellata Bütschli, 1885
                                           Class Dinophyceae Pascher (1914)
                                             Subclass Peridiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
                                               Order Peridinialesᵀ Haeckel (1894)
                                                 [Genus Helgolandicum Stosch (1969), incertae sedis] see Genus Fragilidium Balech ex A.R. Loebl. (1965)
                                                 [Genus "Spiraublax" Kofoid (1911), incertae sedis] see Genus Spiraulax Kof. (1911)
                                                 -2.0 [Family Dinosphaeraceae Er. Lindem. (1928) [monotypic]] see Family Glenodiniaceae Wiley & Hickson (1909)
                                                 -2.0 [Suborder Glenodiniineae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) [monotypic]] see Order Thoracosphaerales Tangen (1982)
                                                 -3 [Family Heteraulacaceae Loebl. & Drugg (1968) [monotypic]] see Family Thoracosphaeraceae J. Schiller (1930)
                                                 -3.0 [Family "Heteraulaceae" Loebl. & Drugg (1968)] see Family Heteraulacaceae Loebl. & Drugg (1968)
                                                 -4.4.2 [Family Ceratocorythaceae Er. Lindem. (1928)] see Family Protoceratiaceae Er. Lindem. (1928)
                                                 -4.4.2.0 [Family "Ceratocoryaceae" Er. Lindem. (1928)] see Family Ceratocorythaceae Er. Lindem. (1928)
                                                 -4.6.0 [Family Pyrophacaceae Er. Lindem. (1928)] see Family Pyrocystaceae (F. Schütt) Lemmerm. (1899)
                                                 01 Gloeodinium marinum Bouq. (1971), incertae sedis
                                                 02 Genus Adenoides Balech (1956), incertae sedis
                                                 03 Genus Archaeosphaerodiniopsis Rampi (1943), incertae sedis [monotypic]
                                                 03.0 [Family Archaeosphaerodiniopsidaceae [monotypic]]
                                                 04 Genus Bysmatrum M.A. Faust & Steid. (1998), incertae sedis
                                                 05 Genus Peridiniella Kof. & J.R. Michener (1911), incertae sedis
                                                 06.1 Genus Planodinium R.D. Saunders & J.D. Dodge (1984), incertae sedis
                                                 06.2 Genus Sabulodinium R.D. Saunders & J.D. Dodge (1984), incertae sedis
                                                 07 Genus Pseudothecadinium Hoppenrath & M.S. Selina (2006), incertae sedis
                                                 08 Genus Thaurilens Pavillard (1917), incertae sedis
                                                 09 Genus Thecadiniopsis Croome, Hallegr. & P.A. Tyler (1987), incertae sedis
                                                 10 Genus Vulcanodinium Nézan & Chomérat (2011), incertae sedis
                                                 11.1 Genus †Bellatudinium Yu et al. (1981), incertae sedis
                                                 11.2 Genus †Octodinium Wrenn & Hart (1988), incertae sedis
                                                 11.3 Genus †Umbodinium Bint (1983), incertae sedis
                                                 11.4 Genus Cabra Sh. Murray & D.J. Patterson (2004), incertae sedis
                                                 11.5 Genus Rhinodinium Sh. Murray, Hoppenrath, S. Yoshimatsu, S. Toriumi & J. Larsen (2006), incertae sedis
                                                 12 Family Peridiniaceaeᵀ Ehrenb. (1831)
                                                 12.0 [Suborder Peridiniineaeᵀ Poche (1913)] see Order Peridiniales Haeckel (1894)
                                                 13 Family Heterocapsaceae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
                                                 13.0 [Suborder Heterocapsineae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) [monotypic]] see Order Peridiniales Haeckel (1894)
                                                 14 Family Podolampadaceae Er. Lindem. (1928)
                                                 15 Family Amphidiniopsidaceae J.D. Dodge (1984)
                                                 16.1 Family Protoperidiniaceae Balech (1988), nom. cons.
                                                 16.1.0 [Family Congruentidiaceae J. Schiller (1935), nom. rej.] see Family Protoperidiniaceae Balech (1988), nom. cons.
                                                 16.1.0 [Family Kolkwitziellaceae Er. Lindem. (1928)] see Family Protoperidiniaceae Balech (1988), nom. cons.
                                                 16.2 Family Diplopsaliaceae Matsuoka (1988)
                                                 17 Family Heterodiniaceae Er. Lindem. (1928)
                                                 18.1 Family Thoracosphaeraceae J. Schiller (1930)
                                                 18.1.0 [Family "Family of Ensiculifera" F. Gómez (2012)] see Family Thoracosphaeraceae J. Schiller (1930)
                                                 18.2 Family Oodiniaceae Chatton (1920)
                                                 18.3 Family Glenodiniaceae Wiley & Hickson (1909)
                                                 19.1 Family Oxytoxaceae Er. Lindem. (1928) [monotypic]
                                                 19.2 Genus Corythodinium Loebl. & A.R. Loebl. (1966) [within unnamed taxon]
                                                 20 Family Amphidomataceae Sournia (1984) [monotypic]
                                                 21 Family Cladopyxidaceae F. Stein (1883)
                                                 21.0 [Family Cladopyxididae Poche, 1913] see Family Cladopyxidaceae F. Stein (1883)
                                                 22 Family Zooxanthellaceae Hovasse & Teissier (1923)
                                                 22.0 [Family Endodiniaceae J. Schiller (1935) [monotypic]] see Family Zooxanthellaceae Hovasse & Teissier (1923)
                                                 23 Family "Family of Amphidoma caudata" F. Gómez (2012)
                                                 x [Family Ceratoperidiniaceae [monotypic]] see Subfamily Ptychodiscoideae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
                                                 x [Family Lophodiniaceae Osorio-Tafall (1942)] see Family Glenodiniaceae Wiley & Hickson (1909)
                                                 x ?[Family †Pithonellaceae]
                                                 x [Family Triadiniaceae J.D. Dodge (1981)] see Family Goniodomataceae Er. Lindem. (1928)