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 Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                            
 Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                              
 Kingdom Animalia Linnaeus, 1758 - animals
                                
 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                  
 Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                    
 Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                      
 Infrakingdom Protostomia Grobben, 1908
                                        
 Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
                                          
 Introverta Nielsen, 1995
                                            
 Nematoida Rudolphi, 1808
                                              
 Phylum Nematoda Gegenbaur, 1859 - round worms
                                                
 Class Chromadorea Inglis, 1983
                                                  
 Subclass Plectia Hodda, 2007
                                                    
 Superorder Plecticaᵀ Hodda, 2007
                                                      
 Order Benthimermithida Tchesunov, 1997 [monotypic]
                                                        
 Suborder Benthimermithinaᵀ Hodda, 2007 [monotypic]
                                                          
 Superfamily Benthimermithoideaᵀ Petter, 1980 [monotypic]
                                                            
 Family Benthimermithidaeᵀ Petter, 1980
                                                              
 Genus Trophomeraᵀ Rubtzov & Platonova, 1974
                                                                
 Trophomera minutissima Miljutin & Miljutina, 2009