[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 Gammaproteobacteria Garrity et al. 2005
         Order Cardiobacteriales Garrity et al. 2005
           Family Cardiobacteriaceae Dewhirst et al. 1990
             Genus Dichelobacter Dewhirst et al. 1990
               Dichelobacter nodosus (Beveridge 1941) Dewhirst et al. 1990