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 Spiralia Schleip, 1929
                                          
 Clade Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
                                            
 Clade Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                                              
 Clade Trochozoa Beklemischev, 1944 - trochozoans
                                                
 Clade Tetraneuralia Wanninger 2009
                                                  
 Phylum Mollusca Linnaeus, 1758 - molluscs
                                                    
 Subphylum Conchifera Gegenbauer, 1878
                                                      
 Ganglioneura Rudophi, 1812
                                                        
 Clade Pleistomollusca Kocot, Cannon, Todt, Citarella, Kohn, Meyer, Santos, Schander, Moroz, Lieb & Halanych 2011
                                                          
 Class Bivalvia Linnaeus, 1758 - bivalves
                                                            
 Subclass Autobranchia Grobben, 1894
                                                              
 Superorder Heteroconchia Gray, 1854
                                                                
 Clade Heterodonta Neumayr, 1884
                                                                  
 Order Venerida Gray, 1854
                                                                    
 Superfamily Ungulinoidea Gray, 1854 [monotypic]
                                                                      
 Family Ungulinidaeᵀ Gray, 1854
                                                                        
 01 Genus †Bruetia Chavan, 1962
                                                                        
 02 Genus Cycladicama Valenciennes, 1854
                                                                        
 03 Genus Diplodonta Bronn, 1831
                                                                        
 04 Genus Felania Récluz, 1851
                                                                        
 05 Genus Felaniella Dall, 1899
                                                                        
 06 Genus Microstagon Cossmann, 1896
                                                                        
 07 Genus Minipisum Habe, 1961
                                                                        
 08 Genus Numella Iredale, 1924
                                                                        
 09 Genus Phlyctiderma Dall, 1899
                                                                        
 10 Genus Timothynus Harris & Palmer, 1946
                                                                        
 11 Genus Ungulinaᵀ Daudin, 1801
                                                                        
 12 Genus Zemysia Finlay, 1926