[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Spironemidae Doflein, 1916
       Genus Spironema Vuillemin, 1905, nom. illeg. see Genus Microspironema Stiles & Pfender, 1905