| MMDBm0000022 | Anaerostipes hadrus | Bacteria | Firmicutes | Human Feces | Microbial culture | Not Available |
| MMDBm0000028 | Bacillus halodurans C-125 | Bacteria | Firmicutes | Human Feces | Not Available | RHEA |
| MMDBm0000098 | Butyrivibrio fibrisolvens | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000116 | Clostridium beijerinckii NCIMB 8052 | Bacteria | Firmicutes | Human Feces | Not Available | RHEA |
| MMDBm0000198 | Lachnoclostridium phytofermentans ISDg | Bacteria | Firmicutes | Human Feces | Not Available | RHEA |
| MMDBm0000474 | Clostridium pasteurianum | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000475 | Thermoclostridium stercorarium | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000481 | Clostridium tyrobutyricum | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000485 | Clostridium clostridioforme | Bacteria | Firmicutes | Human | Microbial culture | Not Available |
| MMDBm0000490 | Erysipelatoclostridium ramosum | Bacteria | Firmicutes | Human Feces | Microbial culture | Not Available |
| MMDBm0000494 | Weissella confusa | Bacteria | Firmicutes | Human | Microbial culture | Not Available |
| MMDBm0000520 | Holdemanella biformis | Bacteria | Firmicutes | Human Feces | Microbial culture | Not Available |
| MMDBm0000619 | Thermoanaerobacterium saccharolyticum | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000626 | Thermoanaerobacterium xylanolyticum | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000628 | Ruminiclostridium cellobioparum | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000665 | Clostridium celatum | Bacteria | Firmicutes | Human | Microbial culture | Not Available |
| MMDBm0000666 | Terrisporobacter glycolicus | Bacteria | Firmicutes | Human Feces | Microbial culture | Not Available |
| MMDBm0000675 | Eubacterium ramulus | Bacteria | Firmicutes | Human Stool | Microbial culture | Not Available |
| MMDBm0000692 | Staphylococcus lentus | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000697 | Johnsonella ignava | Bacteria | Firmicutes | Human | Microbial culture | Not Available |
| MMDBm0000742 | Holdemania filiformis | Bacteria | Firmicutes | Human | Microbial culture | Not Available |
| MMDBm0000779 | Clostridium sartagoforme | Bacteria | Firmicutes | Human Urine | Microbial culture | Not Available |
| MMDBm0000815 | Enterococcus villorum | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
| MMDBm0000831 | Filifactor alocis | Bacteria | Firmicutes | Human | Microbial culture | Not Available |
| MMDBm0000838 | Lactobacillus ingluviei | Bacteria | Firmicutes | Not Available | Microbial culture | Not Available |
