[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Deltaproteobacteria Kuever et al. 2006
         Order Myxococcales Tchan et al. 1948 (Approved Lists 1980)
           Suborder "Nannocystineae" Reichenbach, 2007 see Suborder Nannocystineae Reichenbach 2007
             Family Nannocystaceae Reichenbach 2006
               Genus Nannocystis Reichenbach 1970 (Approved Lists 1980)
                 1 [Nannocystis excedens] orth. inval. see Nannocystis exedens Reichenbach 1970 (Approved Lists 1980)
                 2 "Nannocystis pusilla" Reichenbach, 2007 see Nannocystis pusilla Reichenbach 2007