| MMDBm0801616 | Anaerofustis stercorihominis | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0000021 | Anaerostipes caccae | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0730891 | Bacillus thermoamylovorans | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0000033 | Bacillus vallismortis | Eubacteria | Firmicutes | Aerobe |
| MMDBm0808557 | Catenibacterium mitsuokai | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0798782 | Clostridium butyricum | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0001470 | Clostridium difficile | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0804868 | Clostridioides difficile | Eubacteria | Firmicutes | Obligate anaerobe |
| MMDBm0804869 | Clostridioides difficile | Eubacteria | Firmicutes | Obligate anaerobe |
| MMDBm0000112 | Clostridioides difficile | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0001094 | Erysipelatoclostridium ramosum | Eubacteria | Firmicutes | |
| MMDBm0808657 | Clostridium spiroforme | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0802902 | Clostridium symbiosum | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0808574 | Coprobacillus cateniformis | Eubacteria | Firmicutes | |
| MMDBm0808617 | Coprobacillus sp. D7 | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0786738 | Enterococcus asini | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0786742 | Enterococcus caccae | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0786748 | Enterococcus casseliflavus | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0786759 | Enterococcus dispar | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0786760 | Enterococcus durans | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0787127 | Enterococcus faecalis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0787501 | Enterococcus gallinarum | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0000157 | Enterococcus hirae | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0000153 | Enterococcus faecalis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0000187 | Gemella sanguinis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0761370 | Geobacillus vulcani | Eubacteria | Firmicutes | Aerobe |
| MMDBm0808755 | Holdemania filiformis | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0790430 | Lactobacillus amylolyticus | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0001756 | Lactobacillus amylolyticus | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0792735 | Lactobacillus coleohominis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0792742 | Lactobacillus gastricus | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0792769 | Limosilactobacillus oris | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0792753 | Lactobacillus vaginalis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0793769 | Lactococcus raffinolactis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0001779 | Leptotrichia buccalis | Eubacteria | Fusobacteria | Anaerobe |
| MMDBm0002349 | Pediococcus pentosaceus | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0779545 | Staphylococcus intermedius | Eubacteria | Firmicutes | |
| MMDBm0794438 | Streptococcus australis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0794454 | Streptococcus cristatus | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0002607 | Streptococcus gordonii | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0794539 | Streptococcus infantis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0794428 | Streptococcus intermedius | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0794553 | Streptococcus lutetiensis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0794581 | Streptococcus mitis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0794617 | Streptococcus mutans | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0002630 | Streptococcus oralis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0794800 | Streptococcus parasanguinis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0002632 | Streptococcus parauberis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0794814 | Streptococcus peroris | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0002610 | Streptococcus pneumoniae | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0002633 | Streptococcus pseudopneumoniae | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0000277 | Streptococcus salivarius | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0002603 | Streptococcus salivarius | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0796207 | Streptococcus thoraltensis | Eubacteria | Firmicutes | Anaerobe |
| MMDBm0002614 | Streptococcus uberis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0796228 | Streptococcus vestibularis | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0793485 | Weissella paramesenteroides | Eubacteria | Firmicutes | Facultative anaerobe |
| MMDBm0000207 | Limosilactobacillus reuteri | Eubacteria | Firmicutes | Facultative anaerobe |