1. 
   Microbe Methanobacteriota

   Methanosarcina NameName close to Methanosarcinales
   under 1% of healthy people
2. 
   Microbe Methanobacteriota

   Methanosarcina thermophila NameName close to Methanosarcinales
   under 1% of healthy people
3. 
   Microbe Methanobacteriota

   Methanimicrococcus KeywordIts page mentions Methanosarcinales
4. 
   Microbe Methanobacteriota

   Candidatus Methanoperedens KeywordIts page mentions Methanosarcinales
5. 
   Microbe Methanobacteriota

   Methanosphaera MeaningAbout Methanosarcinales
   1.8% of healthy people
6. 
   Microbe Methanobacteriota

   Methanosphaera stadtmanae MeaningAbout Methanosarcinales
   1.8% of healthy people
7. 
   Microbe Methanobacteriota

   Methanobrevibacter MeaningAbout Methanosarcinales
   18% of healthy people
8. 
   Microbe Thermoplasmatota

   Methanomassiliicoccus MeaningAbout Methanosarcinales
   under 1% of healthy people
9. 
   Microbe Methanobacteriota

   Methanosphaera cuniculi MeaningAbout Methanosarcinales
   under 1% of healthy people
10. Research Microorganisms · 2023

    Methanomethylophilus alvi gen. nov., sp. nov., a Novel Hydrogenotrophic Methyl-Reducing Methanogenic Archaea of the Order Methanomassiliicoccales Isolated from the Human Gut and Proposal of the Novel Family Methanomethylophilaceae fam. nov.

    Eggerthella lenta

    MeaningAbout Methanosarcinales
    PubMed ↗
11. 
    Microbe Methanobacteriota

    Methanothrix MeaningAbout Methanosarcinales
12. Research Frontiers in microbiology · 2019

    Mutual Metabolic Interactions in Co-cultures of the Intestinal Anaerostipes rhamnosivorans With an Acetogen, Methanogen, or Pectin-Degrader Affecting Butyrate Production.

    Bacteroides thetaiotaomicron

    MeaningAbout Methanosarcinales
    PubMed ↗
13. 
    Microbe Methanobacteriota

    Methanocorpusculum MeaningAbout Methanosarcinales
14. Research International journal of biological macromolecules · 2025 Animal study

    How proinflammatory oligosaccharides are produced from carrageenan in mammalian gut? Key roles of Bacteroides xylanisolvens, Bacteroides zhangwenhongii, and Bacteroides difficilis.

    Bacteroides xylanisolvens

    MeaningAbout Methanosarcinales
    PubMed ↗
15. Research Anaerobe · 2018

    Composition and metabolism of fecal microbiota from normal and overweight children are differentially affected by melibiose, raffinose and raffinose-derived fructans.

    Bacteroides thetaiotaomicron

    MeaningAbout Methanosarcinales
    PubMed ↗
16. 
    Microbe Methanobacteriota

    Methanobrevibacter smithii MeaningAbout Methanosarcinales
    18% of healthy people
17. Research Anaerobe · 2024 Animal study

    Fructo-oligosaccharides promote butyrate production over citrus pectin during in vitro fermentation by colonic inoculum from pig.

    Agathobacter rectalisRoseburia faecisLachnospira pectinoschiza

    MeaningAbout Methanosarcinales
    PubMed ↗
18. 
    Microbe Bacteroidota

    Butyricimonas paravirosa MeaningAbout Methanosarcinales
    17% of healthy people
19. 
    Microbe Thermoplasmatota

    Methanomassiliicoccus luminyensis MeaningAbout Methanosarcinales
20. 
    Microbe Bacteroidota

    Butyricimonas synergistica MeaningAbout Methanosarcinales
    5.0% of healthy people
21. Research Environmental microbiology · 2022

    A functional Wood-Ljungdahl pathway devoid of a formate dehydrogenase in the gut acetogens Blautia wexlerae, Blautia luti and beyond.

    Blautia wexlerae

    MeaningAbout Methanosarcinales
    PubMed ↗
22. Research Marine drugs · 2017

    Degradation of Marine Algae-Derived Carbohydrates by Bacteroidetes Isolated from Human Gut Microbiota.

    Bacteroides ovatusBacteroides xylanisolvens

    MeaningAbout Methanosarcinales
    PubMed ↗
23. 
    Microbe Methanobacteriota

    Methanobacterium formicicum MeaningAbout Methanosarcinales
    under 1% of healthy people
24. Research Biochemical and biophysical research communications · 2022

    Extracellular fructooligosaccharide degradation in Anaerostipes hadrus for co-metabolism with non-fructooligosaccharide utilizers.

    Anaerostipes hadrus

    MeaningAbout Methanosarcinales
    PubMed ↗
25. 
    Microbe Thermoplasmatota

    Methanomassiliicoccaceae archaeon DOK MeaningAbout Methanosarcinales
    under 1% of healthy people
26. 
    Microbe Thermoplasmatota

    Methanomethylophilus MeaningAbout Methanosarcinales
    under 1% of healthy people
27. 
    Microbe Methanobacteriota

    Methanobrevibacter arboriphilus MeaningAbout Methanosarcinales
    under 1% of healthy people
28. 
    Microbe Methanobacteriota

    Methanolinea MeaningAbout Methanosarcinales
29. 
    Microbe Methanobacteriota

    Methanobacteriaceae MeaningAbout Methanosarcinales
30. 
    Microbe Methanobacteriota

    Methanobrevibacter boviskoreani MeaningAbout Methanosarcinales
31. 
    Microbe Thermoplasmatota

    Methanomethylophilus alvi MeaningAbout Methanosarcinales
    under 1% of healthy people
32. 
    Microbe Thermodesulfobacteriota

    Desulfosarcina MeaningAbout Methanosarcinales
33. 
    Microbe Methanobacteriota

    Methanothrix soehngenii MeaningAbout Methanosarcinales
34. 
    Microbe Thermoplasmatota

    Candidatus Methanogranum MeaningAbout Methanosarcinales
35. 
    Microbe Methanobacteriota

    Methanoculleus MeaningAbout Methanosarcinales
    under 1% of healthy people
36. 
    Microbe Methanobacteriota

    Methanobacterium MeaningAbout Methanosarcinales
    under 1% of healthy people
37. 
    Microbe Methanobacteriota

    Methanothermobacter MeaningAbout Methanosarcinales
38. 
    Microbe Methanobacteriota

    Methanobrevibacter wolinii MeaningAbout Methanosarcinales
    under 1% of healthy people
39. 
    Microbe Pseudomonadota

    Methylosarcina MeaningAbout Methanosarcinales

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