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 Tardigrada Doyère, 1840 - tardigrades
          
 Order Heterotardigrada Marcus, 1927
 see Class Heterotardigrada Marcus, 1927
            
 Suborder Echiniscoidea Richters, 1926
 see Order Echiniscoidea Richters, 1926
              
 Family Echiniscidae Thulin, 1928
                
 Genus Echiniscus C.A.S. Schultze, 1840
                  
 Echiniscus wendti Richters, 1903