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
                                          
 Panarthropoda Nielsen, 1995 - panarthropods
                                            
 Tactopoda Budd, 2001
                                              
 Phylum Arthropoda Siebold, 1848 - arthropods
                                                
 Euarthropoda
                                                  
 Subphylum Chelicerata Heymons, 1901
                                                    
 Euchelicerata Weygoldt & Paulus, 1979
                                                      
 Prosomapoda Lamsdell, 2013
                                                        
 Planaterga Lamsdell, 2013
                                                          
 Dekatriata Lamsdell, 2013
                                                            
 Sclerophorata Kamenz, Staude & Dunlop, 2011
                                                              
 Class Arachnida Lamarck, 1801
                                                                
 Clade Micrura Hansen & Sørensen, 1904
                                                                  
 Clade Acaromorpha Dubinin, 1957
                                                                    
 Subclass Acari Leach, 1817 - mites and ticks
                                                                      
 Superorder Acariformes Zakhvatkin, 1952 - mitelike mites
                                                                        
 Order Trombidiformes Reuter, 1909
                                                                          
 Suborder Prostigmata Kramer, 1877
                                                                            
 Infraorder Anystina van der Hammen, 1972
                                                                              
 Hyporder Parasitengona Oudemans, 1909
                                                                                
 Hydrachnidia Krantz, 1978 - water mites
                                                                                  
 Euhydrachnidia Witte & Olomski, 1991
                                                                                    
 Neohydrachnidia Witte & Olomski, 1991
                                                                                      
 Superfamily Arrenuroidea Thor, 1900
                                                                                        
 Family Hungarohydracaridae Motaş & Tanasachi, 1959
                                                                                          
 Subfamily Cubanohydracarinae Orghidan & Gruia, 1980 [monotypic]
                                                                                            
 1 Genus Cubanohydracarusᵀ Orghidan & Gruia, 1980