The International Code of Nomenclature of Bacteria governs the scientific names for bacteria. As such it is one of the Nomenclature Codes. Originally the botanical Code dealt with bacteria, and this kept references to bacteria until 1975. Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae MONERA KINGDOM Bacteria Division (Phylum) Bacteria (singular, bacterium) are a major group of living organisms. ... Nomenclature Codes, the Codes governing biological nomenclature: the ICBN, ICZN, ICNB, etc. ...

A bacteriological code of nomenclature was approved at the 4th International Congress for Microbiology in 1947, but was later discarded. The official "Nomenclatural Starting Date" for the current International Code for bacteria is January 1, 1980.