organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990 stat. inval.
     Phylum Spirochaetae (Ehrenberg 1855) Cavalier-Smith 1998 see Phylum Spirochaetes Garrity and Holt 2001 nom. inval.
       Genus Leptonema Hovind-Hougen 1983 nom. illeg.