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 Gastrotricha Metschnikoff, 1864 - gastrotrichs
           Order Macrodasyida Remane, 1925
             Family Thaumastodermatidae Remane, 1927
               1 Genus Thaumastoderma Remane, 1926
               2 Genus Acanthodasys Remane, 1927
               3 Genus Diplodasys Remane, 1927
               4 Genus Hemidasys Claparède, 1867
               5 Genus Platydasys Remane, 1927, nom. illeg. see Genus Oregodasys Hummon, 2008
               6 Genus Pseudostomella Swedmark, 1956
               7 Genus Ptychostomella Remane, 1926
               8 Genus Tetranchyroderma Remane, 1926