| Phylum | Class | Order | Family | Genus | Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|---|---|---|---|---|
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter acinonychis | 1 | 8 | HMP |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter bilis | 1 | 12 | HMP |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter canadensis | 2 | 5 | HMP/UHGG |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter canis | 1 | 5 | UHGG |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter cinaedi | 2 | 63 | HMP/UHGG |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter fennelliae | 1 | 5 | UHGG |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter hepaticus | 1 | 1 | HMP |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter macacae | 1 | 2 | UHGG |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter mustelae | 1 | 3 | HMP |
| Proteobacteria | Epsilonproteobacteria | Campylobacterales | Helicobacteraceae | Helicobacter | Helicobacter pullorum | 2 | 23 | HMP/UHGG |