living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Animalia Linnaeus, 1758 - animals
      
 Subkingdom Eumetazoa Butschli, 1910
 see [unranked] Eumetazoa Bütschli, 1910
        
 Phylum Brachiopoda Duméril, 1806 - brachiopods
          
 Class Articulata Huxley, 1869
            
 Order Terebratulida Waagen, 1883
              
 Suborder Terebratellidina Muir-Wood, 1955
                
 Superfamily Terebratellacea
 see Superfamily Terebratelloidea King, 1850
                  
 Family Dallinidae Beecher, 1893
                    
 1 Genus Campages Hedley, 1905
                    
 2 Genus Dallina Beecher, 1895
                    
 3 Genus Fallax Atkins, 1960
                    
 4 Genus Glaciarcula Elliott, 1956
                    
 5 Genus Leptothyrella Muir-Wood, 1965
                    
 6 Genus Nipponithyris Yabe & Hatai, 1934