Nitrosococcus

Kingdom:Pseudomonadati

Phylum:Pseudomonadota

Class:Gammaproteobacteria

Order:Chromatiales

Nitrosococcus
Scientific classification
Domain:	Bacteria
Kingdom:	Pseudomonadati
Phylum:	Pseudomonadota
Class:	Gammaproteobacteria
Order:	Chromatiales
Family:	Chromatiaceae
Genus:	Nitrosococcus Winogradsky 1892 (Approved Lists 1980)[1]
Type species
Nitrosococcus nitrosus (Migula 1900) Buchanan 1925 (Approved Lists 1980)
Species[2]
"Nitrosococcus halophilus" Campbell et al. 2011 "Nitrosococcus mobilis" Koops et al. 1976 Nitrosococcus nitrosus (Migula 1900) Buchanan 1925 (Approved Lists 1980) Nitrosococcus oceani corrig. (Watson 1965) Watson 1971 (Approved Lists 1980) "Nitrosococcus wardiae" Wang et al. 2016[3] "Nitrosococcus watsonii" Campbell et al. 2011[1]
Synonyms
"Nitrosocystis Watson 1965

Nitrosococcus is a genus of Gram-negative bacteria.^[4] It is an ammonia-oxidizing bacterium which oxidizes ammonia into nitrite. Nitrosococcus can be found in marine environments and salt lakes.^[1]