[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 Aeromonadales Martin-Carnahan and Joseph 2005
           Family Succinivibrionaceae Hippe et al. 1999
             1 Genus Succinivibrio Bryant and Small 1956 (Approved Lists 1980)
             2 Genus Anaerobiospirillum Davis et al. 1976 (Approved Lists 1980)
             3 Genus Ruminobacter (ex Sijpesteijn 1949) Stackebrandt and Hippe 1987
             4 Genus Succinimonas Bryant et al. 1958 (Approved Lists 1980)