[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 Pseudocoelomata
            
 Phylum Nematomorpha Vejdovsky, 1886 - horsehair worms
              
 Order Gordioidea Rauther, 1930
                
 Genus Gordius Linnaeus, 1758