Examples of Epsilonproteobacteria in the following topics:
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- Epsilonproteobacteria is a class of Proteobacteria.
 
- The Epsilonproteobacteria consist of few known genera, mainly the curved to spirilloid Wolinella spp., Helicobacter spp., and Campylobacter spp.
 
- There have also been numerous environmental sequences of Epsilonproteobacteria recovered from hydrothermal vents and cold seep habitats.
 
- A member of the class Epsilonproteobacteria occurs as an endosymbiont in the large gills of the deep water sea snail Alviniconcha hessleri.
 
- The Helicobacter genus belongs to the class Epsilonproteobacteria, order Campylobacterales, family Helicobacteraceae and already has more than 35 species.
 
 
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- These classes include: Alphaproteobacteria, Betaproteobacteria, Gammaproteobacteria, Deltaproteobacteria, Epsilonproteobacteria and Zetaproteobacteria.
 
 
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