living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Status: extant
     Kingdom Animalia Linnaeus, 1758 - animals
    Status: extant
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
      Status: extant
         Phylum Annelida Lamarck, 1809 - segmented worms
        Status: extant
           Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata
          Status: extant
             Order Haplotaxida
            Status: extant
               Suborder Tubificina see Order Tubificida
              Status: extant
                 Superfamily Tubificoidea see Suborder Tubificina
                Status: extant
                   Family Opistocystidae Černosvitov, 1936
                  Status: extant
                     Genus Trieminetia see Genus Trieminentia Harman & Loden, 1978
                    Status: extant