| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| Bacteria | Proteobacteria | Gammaproteobacteria | Enterobacteriales | Enterobacteriaceae |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| species | Citrobacter amalonaticus (Young et al., 1971) Brenner & Farmer, 1982 | accepted |
| species | Citrobacter braakii Brenner et al., 1993 | accepted |
| species | Citrobacter europaeus Ribeiro et al., 2017 | accepted |
| species | Citrobacter farmeri Brenner et al., 1993 | accepted |
| species | Citrobacter freundii (Braak, 1928) Werkman & Gillen, 1932 | accepted |
| species | Citrobacter gillenii Brenner et al., 2000 | accepted |
| species | Citrobacter koseri Frederiksen, 1970 | accepted |
| species | Citrobacter murliniae Brenner et al., 2000 | accepted |
| species | Citrobacter pasteurii Clermont et al., 2015 | accepted |
| species | Citrobacter portucalensis Ribeiro et al., 2017 | accepted |
| species | Citrobacter rodentium Schauer et al., 1996 | accepted |
| species | Citrobacter sedlakii Brenner et al., 1993 | accepted |
| species | Citrobacter werkmanii Brenner et al., 1993 | accepted |
| species | Citrobacter youngae Brenner et al., 1993 | accepted |
Citrobacter Werkman & Gillen, 1932. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-28.