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 dorsates Cavalier-Smith, 2021
                  
 Clade podiates Cavalier-Smith, 2012
                    
 Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                      
 Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                        
 Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                          
 Superkingdom Holomycota Liu, Steenkamp, Brinkmann, Forget, Philippe & Lang, 2009
                            
 Kingdom Fungi R.T.Moore (1980) - fungi
                              
 Subkingdom Rozellomyceta Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
                                
 Phylum Rozellomycotaᵀ Doweld (2013)
                                  
 1 [plesion] Genus Rozellaᵀ Cornu (1872)
                                  
 2.1 [plesion] Genus Paramicrosporidium Corsaro, Walochnik, Venditti, J. Steinm., K.-D. Müll. & R. Michel (2014)
                                  
 2.2.1 [plesion] Genus Mitosporidium Haag, James, Pombert, Larsson, Schaer, Refardt & Ebert, 2014 [monotypic]
                                  
 2.2.2.1 [plesion] Genus Nucleophaga P.A. Dang. (1895)
                                  
 2.2.2.2.1 Class Rudimicrosporea Sprague, 1977 [monotypic]
                                  
 2.2.2.2.2 Class Microsporidea Corliss & Levine, 1963