prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021
       Class Deltaproteobacteria Kuever et al. 2006
         Order Myxococcales Tchan et al. 1948 (Approved Lists 1980)
           Suborder Nannocystineae Reichenbach 2007 see Order Myxococcales Tchan et al. 1948 (Approved Lists 1980)
             Family Nannocystaceae Reichenbach 2006
               1 Genus Enhygromyxa Iizuka et al. 2003
               2 Genus Nannocystis Reichenbach 1970 (Approved Lists 1980)
               3 Genus Plesiocystis Iizuka et al. 2003
               4 Genus Pseudenhygromyxa Iizuka et al. 2013