Bacteria  >  Pseudomonadati  >  Campylobacterota  >  Epsilonproteobacteria

Family	Genus	Species
Arcobacteraceae	7	231
Campylobacteraceae	2	1634
Helicobacteraceae	3	342
Hydrogenimonadaceae	1	8
Nautiliaceae	3	34
Nitratiruptoraceae	2	17
Sulfurimonadaceae	6	340
Sulfurospirillaceae	1	73
Sulfurovaceae	2	69