[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 Deuterostomia Grobben, 1908
 see Infrakingdom Deuterostomia Grobben, 1908
          
 Phylum Chordata Bateson, 1885 - chordates
            
 Subphylum Vertebrata Cuvier, 1812 - vertebrates
 see Infraphylum Vertebrata Lamarck, 1801
              
 Class Cyclostomata Richards
                
 Order Myxiniformes - hagfishes
                  
 Genus Bdellostoma Müller, 1835
 see Genus Eptatretus Cloquet, 1819
                  
 Genus Myxine Linnaeus, 1758