Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Proteobacteria Garrity and Holt 2001 nom. nud. see Phylum Proteobacteria Garrity et al. 2005 stat. inval.
       Class "Deltaproteobacteria" "Garrity and Holt 2001" nom. nud. see Class Deltaproteobacteria Kuever et al. 2006
         Order Myxococcales Tchan et al. 1948 (Approved Lists 1980)
           Family Cystobacteraceae McCurdy 1970 (Approved Lists 1980) see Family Archangiaceae Jahn 1924 (Approved Lists 1980)
             Genus Melittangium Jahn 1924 (Approved Lists 1980)