1. 
   Microbe Bacillota

   Clostridiales bacterium S5-A14a Unnamed strain KeywordIts page mentions Clostridiales
   under 1% of healthy people
2. 
   Microbe Bacillota

   Clostridiales bacterium KLE1615 Unnamed strain KeywordIts page mentions Clostridiales
   61% of healthy people
3. 
   Microbe Bacillota

   Thermaerobacter NameIn the family Clostridiales Family XVII. Incertae Sedis
4. 
   Microbe Bacillota

   Clostridiales bacterium KA00134 Unnamed strain KeywordIts page mentions Clostridiales
5. 
   Microbe Bacillota

   Clostridiales bacterium CHKCI006 Unnamed strain KeywordIts page mentions Clostridiales
   1.4% of healthy people
6. 
   Microbe Bacillota

   Sulfobacillus NameIn the family Clostridiales Family XVII. Incertae Sedis
7. 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 Clostridiales Family XVII. Incertae Sedis
   PubMed ↗
8. Research Archives of Razi Institute · 2021

   Bifidobacteriaceae Family Diversity in Gut Microbiota of Patients with Renal Failure.

   Bifidobacterium longumBifidobacterium adolescentisBifidobacterium animalis

   MeaningAbout Clostridiales Family XVII. Incertae Sedis
   PubMed ↗
9. Research Turkish journal of medical sciences · 2026 Observational

   Alterations in gut microbiota composition in adult patients with familial Mediterranean fever: a pilot case-control study.

   Eggerthella lenta

   MeaningAbout Clostridiales Family XVII. Incertae Sedis
   PubMed ↗
10. 
    Microbe Bacillota

    Clostridium sp. AF36-4 Unnamed strain KeywordIts page mentions family
    41% of healthy people
11. 
    Microbe Bacillota

    Clostridiaceae bacterium Marseille-Q3526 Unnamed strain KeywordIts page mentions family
    13% of healthy people
12. 
    Microbe Bacillota

    Clostridiaceae bacterium Marseille-Q4143 Unnamed strain KeywordIts page mentions family
    43% of healthy people
13. 
    Microbe Bacillota

    Clostridiaceae bacterium Marseille-Q4145 Unnamed strain KeywordIts page mentions family
    24% of healthy people
14. 
    Microbe Bacillota

    Clostridiaceae bacterium AF18-31LB Unnamed strain KeywordIts page mentions family
    55% of healthy people
15. 
    Microbe Bacillota

    Clostridiaceae bacterium Marseille-Q4149 Unnamed strain KeywordIts page mentions family
    26% of healthy people
16. 
    Microbe Bacillota

    Clostridiales bacterium Unnamed strain KeywordIts page mentions Clostridiales
    54% of healthy people
17. 
    Microbe Bacillota

    Clostridium sp. Marseille-P3244 Unnamed strain KeywordIts page mentions family
    16% of healthy people
18. 
    Microbe Bacillota

    Clostridium sp. AF20-17LB Unnamed strain KeywordIts page mentions family
    40% of healthy people
19. 
    Microbe Bacillota

    Clostridium sp. AF27-2AA Unnamed strain KeywordIts page mentions family
    29% of healthy people
20. 
    Microbe Bacillota

    Clostridium sp. AM58-1XD Unnamed strain KeywordIts page mentions family
    under 1% of healthy people
21. MeSH
    Condition

    Familial dysautonomia KeywordIts description mentions Familial
    46 samples
22. 
    Microbe Bacillota

    Clostridiales bacterium SIT11 Unnamed strain KeywordIts page mentions Clostridiales
    under 1% of healthy people
23. 
    Microbe Bacillota

    Clostridium sp. AM42-4 Unnamed strain KeywordIts page mentions family
    10% of healthy people
24. 
    Microbe Bacillota

    Clostridium sp. AF12-28 Unnamed strain KeywordIts page mentions family
    18% of healthy people
25. 
    Microbe Bacillota

    Clostridium sp. AT4 Unnamed strain KeywordIts page mentions family
    24% of healthy people
26. 
    Microbe Bacillota

    Clostridioides KeywordIts page mentions family
    1.7% of healthy people
27. Research Nature communications · 2026

    Gut microbiome composition and strain-sharing in multiplex autism spectrum disorder families.

    Agathobacter rectalisBacteroides xylanisolvens

    MeaningAbout Clostridiales Family XVII. Incertae Sedis
    PubMed ↗
28. Research International journal of systematic and evolutionary microbiology · 2021

    Sporofaciens musculi gen. nov., sp. nov., a novel bacterium isolated from the caecum of an obese mouse.

    Dorea longicatenaMediterraneibacter gnavusDorea formicigenerans

    MeaningAbout Clostridiales Family XVII. Incertae Sedis
    PubMed ↗
29. 
    Microbe Bacillota

    Clostridium sp. AM33-3 Unnamed strain KeywordIts page mentions family
    42% of healthy people
30. Research Saudi journal of biological sciences · 2022

    Study of oral microbiota diversity among groups of families originally from different countries.

    Haemophilus parainfluenzaeVeillonella atypica

    MeaningAbout Clostridiales Family XVII. Incertae Sedis
    PubMed ↗
31. 
    Microbe Bacillota

    Clostridium sp. Marseille-P299 Unnamed strain KeywordIts page mentions family
    under 1% of healthy people
32. Research Microbial genomics · 2026

    Genomic insights into the functional and metabolic versatility of gut microbiome Anaerostipes species.

    Anaerostipes hadrus

    MeaningAbout Clostridiales Family XVII. Incertae Sedis
    PubMed ↗
33. Research International journal of systematic and evolutionary microbiology · 2020

    Reclassification of the Clostridium clostridioforme and Clostridium sphenoides clades as Enterocloster gen. nov. and Lacrimispora gen. nov., including reclassification of 15 taxa.

    Lacrimispora amygdalinaEnterocloster bolteaeEnterocloster citroniae

    MeaningAbout Clostridiales Family XVII. Incertae Sedis
    PubMed ↗
34. MeSH
    Condition

    Familial adenomatous polyposis KeywordIts description mentions Familial
    165 samples
35. 
    Microbe Bacillota

    Clostridiales bacterium CHKCI001 Unnamed strain KeywordIts page mentions Clostridiales
36. Research Microbiology spectrum · 2026

    Types and characteristics of shared microbiota within families of ethnic minorities in Inner Mongolia.

    Agathobacter rectalisBifidobacterium adolescentis

    MeaningAbout Clostridiales Family XVII. Incertae Sedis
    PubMed ↗
37. Research bioRxiv · 2026

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

    Eggerthella lenta

    MeaningAbout Clostridiales Family XVII. Incertae Sedis
    PubMed ↗
38. Research Scientific reports · 2019

    Impact of a bathing tradition on shared gut microbe among Japanese families.

    Bifidobacterium longum

    MeaningAbout Clostridiales Family XVII. Incertae Sedis
    PubMed ↗
39. 
    Microbe Bacillota

    Clostridium sp. AM22-11AC Unnamed strain KeywordIts page mentions family
    54% of healthy people
40. 
    Microbe Bacillota

    Subdoligranulum KeywordIts page mentions family
    under 1% of healthy people

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