1. 
   Microbe Bacillota

   Thermoactinomyces NameName close to Thermoactinomycetaceae
2. 
   Microbe Bacillota

   Thermoactinomyces vulgaris NameName close to Thermoactinomycetaceae
3. 
   Microbe Actinomycetota

   Actinomycetaceae NameName close to Thermoactinomycetaceae
4. 
   Microbe Bacillota

   Thermoflavimicrobium NameIn the family Thermoactinomycetaceae
5. 
   Microbe Bacillota

   Novibacillus thermophilus NameIn the family Thermoactinomycetaceae
6. 
   Microbe Bacillota

   Seinonella NameIn the family Thermoactinomycetaceae
7. 
   Microbe Bacillota

   Kroppenstedtia NameIn the family Thermoactinomycetaceae
8. 
   Microbe Bacillota

   Hydrogenoanaerobacterium saccharovorans MeaningAbout Thermoactinomycetaceae
   43% of healthy people
9. 
   Microbe Bacillota

   Caldibacillus thermoamylovorans MeaningAbout Thermoactinomycetaceae
   under 1% of healthy people
10. 
    Microbe Bacillota

    Thermoanaerobacterium MeaningAbout Thermoactinomycetaceae
11. 
    Microbe Bacillota

    Melghirimyces NameIn the family Thermoactinomycetaceae
12. Research Marine drugs · 2022

    Gut and Gill-Associated Microbiota of the Flatfish European Plaice (Pleuronectes platessa): Diversity, Metabolome and Bioactivity against Human and Aquaculture Pathogens.

    Enterococcus faecium

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
13. Research International journal of systematic and evolutionary microbiology · 2026

    Acidaminobacterium chupaoyuni gen. nov., sp. nov., a novel member of the family Oscillospiraceae isolated from pit clay for strong aroma-type liquor production.

    Intestinimonas butyriciproducens

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
14. Research PeerJ · 2020

    Description of a new member of the family Erysipelotrichaceae: Dakotella fusiforme gen. nov., sp. nov., isolated from healthy human feces.

    [Clostridium] innocuum

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
15. 
    Microbe Bacillota

    Novibacillus NameIn the family Thermoactinomycetaceae
16. 
    Microbe Bacillota

    Thermoanaerobacter MeaningAbout Thermoactinomycetaceae
17. Research bioRxiv · 2026

    A widespread gut bacterial lineage distinguished by redox metabolism and phage defense.

    Eggerthella lenta

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
18. 
    Microbe Bacillota

    Baia NameIn the family Thermoactinomycetaceae
19. Research International journal of systematic and evolutionary microbiology · 2023

    Reclassification of Clostridium cocleatum, Clostridium ramosum, Clostridium spiroforme and Clostridium saccharogumia as Thomasclavelia cocleata gen. nov., comb. nov., Thomasclavelia ramosa comb. nov., gen. nov., Thomasclavelia spiroformis comb. nov. and Thomasclavelia saccharogumia comb. nov.

    Thomasclavelia ramosa

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
20. 
    Microbe Acidobacteriota

    Thermoanaerobaculum MeaningAbout Thermoactinomycetaceae
21. 
    Microbe Bacillota

    Thermoclostridium MeaningAbout Thermoactinomycetaceae
22. Research Nature reviews. Microbiology · 2026 Review

    Eggerthella lenta: metabolism, pathogenesis and therapeutic implications.

    Eggerthella lenta

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
23. 
    Microbe Bacillota

    Oscillospiraceae bacterium Unnamed strain MeaningAbout Thermoactinomycetaceae
    37% of healthy people
24. 
    Microbe Bacillota

    Hydrogenoanaerobacterium MeaningAbout Thermoactinomycetaceae
    50% of healthy people
25. 
    Microbe Bacillota

    Risungbinella NameIn the family Thermoactinomycetaceae
26. 
    Microbe Synergistota

    Thermovirga MeaningAbout Thermoactinomycetaceae
27. Research International journal of systematic and evolutionary microbiology · 2020

    Dysosmobacter welbionis gen. nov., sp. nov., isolated from human faeces and emended description of the genus Oscillibacter.

    Dysosmobacter welbionisOscillibacter valericigenes

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
28. 
    Microbe Pseudomonadota

    Thermomonas MeaningAbout Thermoactinomycetaceae
29. 
    Microbe Thermotogota

    Thermosipho MeaningAbout Thermoactinomycetaceae
30. 
    Microbe Deinococcota

    Thermaceae MeaningAbout Thermoactinomycetaceae
31. 
    Microbe Bacillota

    Laceyella NameIn the family Thermoactinomycetaceae
32. Research International journal of systematic and evolutionary microbiology · 2022

    Pararoseburia lenta gen. nov., sp. nov. isolated from human faeces.

    Roseburia faecisRoseburia hominis

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
33. 
    Microbe Bacillota

    Planifilum NameIn the family Thermoactinomycetaceae
34. Research Frontiers in medicine · 2024

    Causal relationship between gut microbiota and pathological scars: a two-sample Mendelian randomization study.

    Faecalicatena fissicatena

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
35. 
    Microbe Planctomycetota

    Thermogutta MeaningAbout Thermoactinomycetaceae
36. Research Journal of hazardous materials · 2025 Animal study

    Anaerobic digestion at hyper-mesophilic temperatures: Microbiome and antibiotic resistome in full-scale agricultural biogas plants.

    Enterococcus faecalis

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
37. 
    Microbe Deinococcota

    Thermus scotoductus MeaningAbout Thermoactinomycetaceae
    under 1% of healthy people
38. Research Scientific reports · 2024 Animal study

    Anaerobic flora, Selenomonas ruminis sp. nov., and the bacteriocinogenic Ligilactobacillus salivarius strain MP3 from crossbred-lactating goats.

    Ligilactobacillus salivarius

    MeaningAbout Thermoactinomycetaceae
    PubMed ↗
39. 
    Microbe Bacillota

    Shimazuella NameIn the family Thermoactinomycetaceae
40. 
    Microbe Methanobacteriota

    Methanosarcina thermophila MeaningAbout Thermoactinomycetaceae
    under 1% of healthy people

Research: PubMed, U.S. National Library of Medicine · citations link to PubMed