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
              
 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
                            
 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 Apicomplexa Levine, 1970
                                        
 Superclass Sporozoa Leuckart, 1879
                                          
 Class Coccidiomorphea Doflein, 1901
                                            
 Subclass Coccidia Leuckart, 1879
                                              
 Order Eimeriida Léger, 1911
                                                
 Family Eimeriidaeᵀ Minchin, 1903
                                                  
 Genus Eimeriaᵀ Schneider, 1875
                                                    
 Eimeria stiedai (Lindemann, 1865)