procaryotes
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Firmicutes (Gibbons and Murray 1978) Garrity and Holt 2001 stat. inval. see Phylum Bacillota Gibbons and Murray 2021
       Class "Bacilli" "Garrity and Holt 2001" nom. nud. see Class Bacilli Ludwig et al. 2010
         Order "Lactobacillales" "Garrity and Holt 2001" nom. nud. see Order Lactobacillales Ludwig et al. 2010
           1 Family Lactobacillaceae Winslow et al. 1917 (Approved Lists 1980)
           2 Family "Aerococcaceae" "Garrity and Holt 2001" nom. nud. see Family Aerococcaceae Ludwig et al. 2010
           3 Family "Carnobacteriaceae" "Garrity and Holt 2001" nom. nud. see Family Carnobacteriaceae Ludwig et al. 2010
           4 Family "Enterococcaceae" "Garrity and Holt 2001" nom. nud. see Family Enterococcaceae Ludwig et al. 2010
           5 Family "Leuconostocaceae" "Garrity and Holt 2001" nom. nud. see Family Leuconostocaceae Schleifer 2010
           6 Family Streptococcaceae Deibel and Seeley 1974 (Approved Lists 1980)
           7 Genus Acetoanaerobium Sleat et al. 1985, incertae sedis
           8 Genus Oscillospira Chatton and Pérard 1913 (Approved Lists 1980), incertae sedis
           9 Genus Syntrophococcus Krumholz and Bryant 1986, incertae sedis