1. 
   Microbe Ciliophora

   Helicostomella KeywordIts page mentions Eukaryota
2. 
   Microbe

   Blastocystis KeywordIts page mentions Eukaryota
   4.9% of healthy people
3. 
   Microbe Cnidaria

   Bivalvulida KeywordIts page mentions Eukaryota
4. 
   Microbe

   Blastocystis sp. subtype 9 Unnamed strain KeywordIts page mentions Eukaryota
   under 1% of healthy people
5. 
   Microbe Xenacoelomorpha

   Acoela KeywordIts page mentions Eukaryota
6. 
   Microbe Ciliophora

   Entodinium KeywordIts page mentions Eukaryota
7. 
   Microbe Ciliophora

   Cryptocaryon KeywordIts page mentions Eukaryota
8. 
   Microbe Apicomplexa

   Plasmodium (Plasmodium) KeywordIts page mentions Eukaryota
9. 
   Microbe Ciliophora

   Tintinnopsis KeywordIts page mentions Eukaryota
10. 
    Microbe Ascomycota

    Exutisphaerella KeywordIts page mentions Eukaryota
11. 
    Microbe Apicomplexa

    Selenidium KeywordIts page mentions Eukaryota
12. 
    Microbe

    Alexandrium KeywordIts page mentions Eukaryota
13. 
    Microbe Ascomycota

    Saccharomyces uvarum KeywordIts page mentions Eukaryota
    under 1% of healthy people
14. 
    Microbe Chordata

    Mammalia KeywordIts page mentions Eukaryota
15. 
    Microbe

    Paraphysomonas KeywordIts page mentions Eukaryota
16. 
    Microbe

    Blastocystis sp. subtype 8 Unnamed strain KeywordIts page mentions Eukaryota
    under 1% of healthy people
17. 
    Microbe Chordata

    Oikopleura KeywordIts page mentions Eukaryota
18. 
    Microbe

    Sphaerastrum KeywordIts page mentions Eukaryota
19. 
    Microbe Bacillota

    Eubacterium MeaningAbout Eukaryota
    76% of healthy people
20. 
    Microbe Nematoda

    Enoplida KeywordIts page mentions Eukaryota
21. 
    Microbe Bacillota

    Eubacterium sp. AF34-35BH Unnamed strain MeaningAbout Eukaryota
    20% of healthy people
22. Research Scientific reports · 2026

    Microbiome signatures of mangroves and salt marsh halophyte rhizosphere soil sediments: a metagenomic approach.

    Klebsiella pneumoniae

    MeaningAbout Eukaryota
    PubMed ↗
23. Research bioRxiv · 2026

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

    Eggerthella lenta

    MeaningAbout Eukaryota
    PubMed ↗
24. 
    Microbe Ascomycota

    Ascochyta KeywordIts page mentions Eukaryota
25. 
    Microbe Haptophyta

    Haptolina KeywordIts page mentions Eukaryota
26. 
    Microbe Arthropoda

    Calanoida KeywordIts page mentions Eukaryota
27. Research mSphere · 2021 Observational

    Exposure to Parasitic Protists and Helminths Changes the Intestinal Community Structure of Bacterial Communities in a Cohort of Mother-Child Binomials from a Semirural Setting in Mexico.

    Segatella copri

    MeaningAbout Eukaryota
    PubMed ↗
28. 
    Microbe Ascomycota

    Pallidocercospora KeywordIts page mentions Eukaryota
29. Research Applied and environmental microbiology · 2023 Animal study

    Associational Resistance to Predation by Protists in a Mixed Species Biofilm.

    Klebsiella pneumoniae

    KeywordKeyword: Eukaryota
    PubMed ↗
30. 
    Microbe Ascomycota

    Saccharomyces cerevisiae KeywordIts page mentions Eukaryota
    under 1% of healthy people
31. 
    Microbe Bacillota

    Eubacteriaceae bacterium Unnamed strain MeaningAbout Eukaryota
    35% of healthy people
32. 
    Microbe

    Blastocystis hominis KeywordIts page mentions Eukaryota
    under 1% of healthy people
33. Research mBio · 2024

    Prevotella copri variants among a single host diverge in sphingolipid production.

    Segatella copri

    KeywordKeyword: Eukaryota
    PubMed ↗
34. Research Cell host & microbe · 2023 Meta-analysis

    Extension of the Segatella copri complex to 13 species with distinct large extrachromosomal elements and associations with host conditions.

    Segatella copri

    MeaningAbout Eukaryota
    PubMed ↗
35. 
    Microbe Glomeromycota

    Funneliformis KeywordIts page mentions Eukaryota
36. Research Genome biology · 2020

    Analysis of 1321 Eubacterium rectale genomes from metagenomes uncovers complex phylogeographic population structure and subspecies functional adaptations.

    Agathobacter rectalis

    MeaningAbout Eukaryota
    PubMed ↗
37. 
    Microbe Ascomycota

    Pichia manshurica KeywordIts page mentions Eukaryota
    under 1% of healthy people
38. 
    Microbe Streptophyta

    Campynemanthe KeywordIts page mentions Eukaryota
39. 
    Microbe Bacillariophyta

    Cymatosira KeywordIts page mentions Eukaryota
40. Research Bio-protocol · 2020

    Conjugation Protocol Optimised for Roseburia inulinivorans and Eubacterium rectale.

    Agathobacter rectalisRoseburia inulinivorans

    MeaningAbout Eukaryota
    PubMed ↗

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