[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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 "Cystobacterineae" Reichenbach 2005 nom. inval. see Suborder Cystobacterineae Reichenbach 2007
             Family Cystobacteraceae McCurdy 1970 (Approved Lists 1980) see Family Archangiaceae Jahn 1924 (Approved Lists 1980)
               Genus Stigmatella Berkeley and Curtis 1875 (Approved Lists 1980) nom. illeg.
                 1 Stigmatella aurantiaca Berkeley and Curtis 1875 (Approved Lists 1980)
                 2 Stigmatella erecta (Schroeter 1886) McCurdy 1971 (Approved Lists 1980)
                 3 "Stigmatella hybrida" Reichenbach, 2007 see Stigmatella hybrida Reichenbach 2007