procaryotes Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024 Phylum Proteobacteria Garrity and Holt 2001 nom. nud. see Phylum Proteobacteria Garrity et al. 2005 stat. inval. Class "Gammaproteobacteria" "Garrity and Holt 2001" nom. nud. see Class Gammaproteobacteria Garrity et al. 2005 Order "Aeromonadales" "Garrity and Holt 2001" nom. nud. see 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)