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
     Phylum Myxobacteria see Order Myxococcales Tchan et al. 1948 (Approved Lists 1980)
       Class Cytophagales Leadbetter, 1974 see Order Sphingobacteriales Kämpfer, 2012
         Family Beggiatoaceae Migula 1894 (Approved Lists 1980) see Family Thiotrichaceae
           Genus Beggiatoa Trevisan 1842 (Approved Lists 1980)