| Rank | Scientific name | Taxonomic status |
|---|---|---|
| order | Acidithiobacillales | accepted |
| order | Aeromonadales | accepted |
| order | Alteromonadales | accepted |
| order | Cardiobacteriales | accepted |
| order | Chromatiales | accepted |
| order | Enterobacteriales | accepted |
| order | Legionellales | accepted |
| order | Methylococcales | accepted |
| order | Oceanospirillales | accepted |
| order | Pasteurellales | accepted |
| order | Pseudomonadales | accepted |
| order | Salinisphaerales | accepted |
| order | Thiotrichales | accepted |
| order | Vibrionales | accepted |
| order | Xanthomonadales | accepted |
| family | Acidiferrobacteraceae | accepted |
| family | Algiphilaceae | accepted |
| family | Arenicellaceae | accepted |
| family | Budviciaceae | accepted |
| family | Cellvibrionaceae | accepted |
| Show more | ||
Gammaproteobacteria. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-17.