1. 
   Microbe Thermoplasmatota

   Methanomassiliicoccaceae archaeon DOK NameName close to Archaea
   under 1% of healthy people
2. Research Gut microbes · 2024

   Archaea influence composition of endoscopically visible ileocolonic biofilms.

   Mediterraneibacter gnavus

   KeywordKeyword: Archaea
   PubMed ↗
3. 
   Microbe Methanobacteriota

   Methanobrevibacter KeywordIts page mentions Archaea
   18% of healthy people
4. 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 Archaea
   PubMed ↗
5. 
   Microbe Thermoplasmatota

   Methanomassiliicoccus KeywordIts page mentions Archaea
   under 1% of healthy people
6. 
   Microbe Myxococcota

   Archangium NameName close to Archaea
7. 
   Microbe Methanobacteriota

   Methanobrevibacter smithii KeywordIts page mentions Archaea
   18% of healthy people
8. 
   Microbe Thermoplasmatota

   Methanomethylophilus alvi KeywordIts page mentions Archaea
   under 1% of healthy people
9. 
   Microbe Methanobacteriota

   Methanothermobacter KeywordIts page mentions Archaea
10. 
    Microbe Methanobacteriota

    Methanobrevibacter boviskoreani KeywordIts page mentions Archaea
11. 
    Microbe Methanobacteriota

    Methanosphaera KeywordIts page mentions Archaea
    1.8% of healthy people
12. Research EBioMedicine · 2019

    Co-culture of Methanobrevibacter smithii with enterobacteria during urinary infection.

    Klebsiella pneumoniaeEnterococcus faecium

    MeaningAbout Archaea
    PubMed ↗
13. 
    Microbe Thermoplasmatota

    Methanomethylophilus KeywordIts page mentions Archaea
    under 1% of healthy people
14. 
    Microbe Thermoplasmatota

    Methanomassiliicoccus luminyensis KeywordIts page mentions Archaea
15. 
    Microbe Methanobacteriota

    Methanobacteriaceae KeywordIts page mentions Archaea
16. 
    Microbe Methanobacteriota

    Methanobacterium sp. MB1 Unnamed strain KeywordIts page mentions Archaea
17. 
    Microbe Methanobacteriota

    Methanobacterium KeywordIts page mentions Archaea
    under 1% of healthy people
18. 
    Microbe Methanobacteriota

    Methanosphaera cuniculi KeywordIts page mentions Archaea
    under 1% of healthy people
19. 
    Microbe Methanobacteriota

    Methanobrevibacter arboriphilus KeywordIts page mentions Archaea
    under 1% of healthy people
20. 
    Microbe Candidatus Hydrothermarchaeota

    Candidatus Hydrothermarchaeales NameName close to Archaea
21. 
    Microbe Methanobacteriota

    Methanobrevibacter wolinii KeywordIts page mentions Archaea
    under 1% of healthy people
22. 
    Microbe Methanobacteriota

    Methanobrevibacter woesei KeywordIts page mentions Archaea
    under 1% of healthy people
23. 
    Microbe Methanobacteriota

    Methanobacterium formicicum KeywordIts page mentions Archaea
    under 1% of healthy people
24. 
    Microbe Methanobacteriota

    Methanocorpusculum KeywordIts page mentions Archaea
25. 
    Microbe Methanobacteriota

    Methanosarcina thermophila KeywordIts page mentions Archaea
    under 1% of healthy people
26. 
    Microbe Methanobacteriota

    Methanosarcina KeywordIts page mentions Archaea
    under 1% of healthy people
27. 
    Microbe Methanobacteriota

    Halococcus KeywordIts page mentions Archaea
28. Research Journal of diabetes research · 2026

    Gut Microbiota and Dyslipidemia in Type 2 Diabetes: A Pilot Study of 16S rRNA Profiles and Predicted Functional Shifts.

    Akkermansia muciniphilaSegatella copri

    MeaningAbout Archaea
    PubMed ↗
29. 
    Microbe Methanobacteriota

    Methanoculleus thermophilus KeywordIts page mentions Archaea
    under 1% of healthy people
30. Research BMC evolutionary biology · 2016

    Recent horizontal transfer, functional adaptation and dissemination of a bacterial group II intron.

    Lactococcus lactisEnterococcus faecalis

    MeaningAbout Archaea
    PubMed ↗
31. 
    Microbe Methanobacteriota

    Methanothrix KeywordIts page mentions Archaea
32. 
    Microbe Methanobacteriota

    Halobacteriaceae KeywordIts page mentions Archaea
33. 
    Microbe Methanobacteriota

    Methanoculleus KeywordIts page mentions Archaea
    under 1% of healthy people
34. Research Journal of affective disorders · 2026 Observational

    Integrative multi-kingdom gut microbiome analysis uncovers clinical signatures of major depressive disorder.

    Bifidobacterium pseudocatenulatum

    MeaningAbout Archaea
    PubMed ↗
35. 
    Microbe Nitrososphaerota

    Nitrososphaeraceae KeywordIts page mentions Archaea
36. 
    Microbe Nitrososphaerota

    Nitrosarchaeum KeywordIts page mentions Archaea
37. 
    Microbe Thermoplasmatota

    Candidatus Methanomassiliicoccus intestinalis KeywordIts page mentions Archaea
    under 1% of healthy people
38. 
    Microbe Bacillota

    Hydrogenoanaerobacterium MeaningAbout Archaea
    50% of healthy people
39. 
    Microbe Bacillota

    Hydrogenoanaerobacterium saccharovorans MeaningAbout Archaea
    43% of healthy people
40. 
    Microbe Methanobacteriota

    Methanobrevibacter oralis KeywordIts page mentions Archaea
    under 1% of healthy people

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