[organisms]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Kingdom Animalia Linnaeus, 1758 - animals
    
 Branch Eumetazoa Butschli, 1910
 see [unranked] Eumetazoa Bütschli, 1910
      
 Division Bilateria Hatschek, 1888
 see Subkingdom Bilateria Hatschek, 1888
        
 Subdivision Protostomia Grobben, 1908
 see Infrakingdom Protostomia Grobben, 1908
          
 Section Eucoelomata
 see Superphylum Eucoelomata
            
 Phylum Arthropoda Siebold, 1848 - arthropods
              
 Subphylum Mandibulata Snodgrass, 1938
                
 Class Crustacea Brünnich, 1772 - crustaceans
 see Superclass Crustacea Pennant, 1777
                  
 Subclass Copepoda H. Milne-Edwards, 1840 - copepods
                    
 1 Order Calanoida Sars, 1903
                    
 2 Order Harpacticoida Sars, 1903
                    
 3 Order Cyclopoida Sars, 1886
                    
 4 Order Notodelphyoida
 see Order Cyclopoida Sars, 1886
                    
 5 Order Monstrilloida Sars, 1901
                    
 6 Order Caligoida
 see Order Siphonostomatoida Thorell, 1859
                    
 7 Order Lernaeopodoida
 see Order Siphonostomatoida Thorell, 1859