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
               ["Protista" Haeckel, 1866, incertae sedis] see Kingdom protists
                 [Grade "protozoa" Goldfuss, 1818 - protozoans]
                   [Phylum Sarcomastigophora Honigberg & Balamuth, 1963]
                     [Subphylum Mastigophora Diesing, 1866 - flagellates]
                       [Class Phytomastigophorea Calkins, 1909 - photosynthetic flagellates]
                         [Order Dinoflagellida - dinoflagellates] see Phylum Dinoflagellata Engl. (1903)
                           [Family Peridiniidae] see Family Peridiniaceae Ehrenb. (1831)
                             [Genus Peridiniumᵀ Ehrenberg, 1830] see Genus Peridinium Ehrenb. (1830)
                               [Peridinium adriaticum Schmarda] see Heteraulacus adriaticus (Schmarda)
                               [Peridinium fuscum Ehrenberg, 1834] see Heteraulacus fuscus (Ehrenberg, 1834)
                               [Peridinium monas Ehrenberg, 1840] see Heteraulacus monas (Ehrenberg, 1840)
                               [Peridinium polyedricum Pouchet, 1883] see Pyrrhotriadinium polyedricum (Pouchet, 1883)
                               [Peridinium tabulatum (Ehrenberg)]
                               x [Peridinium acuminatum Ehrenberg, 1836] see Scrippsiella acuminata (Ehrenb.) Kretschmann, Elbr., Zinssmeister, S. Soehner, Kirsch, Kusber & Gottschling (2015)
                               x [Peridinium divergens Ehrenberg, 1830] see Protoperidinium divergens (Ehrenb.) Balech
                               x [Peridinium divergens group]
                               x [Peridinium trochoideum (Stein, 1883)] see Scrippsiella acuminata (Ehrenb.) Kretschmann, Elbr., Zinssmeister, S. Soehner, Kirsch, Kusber & Gottschling (2015)