Natura - nature
  
 actualia - actual entities
    
 Mundus Plinius - physical world
      
 naturalia - natural bodies
        
 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)
                          
 [Genus †Caracomia Streng, Hildebrand-Habel & Willems, 2002]
 see Genus Caracomia Streng, Hildebrand-Habel & H. Willems (2002)