Betaproteobacteria

Betaproteobacteria
Colonies of Burkholderia pseudomallei, one of many pathogenic Betaproteobacteria.
Scientific classification
Domain: Bacteria
Kingdom: Pseudomonadati
Phylum: Pseudomonadota
Class: Betaproteobacteria
Orders

Burkholderiales
Ferritrophicales
Ferrovales
Neisseriales
Nitrosomonadales
Procabacteriales
Rhodocyclales

Betaproteobacteria are a class of Gram-negative bacteria, and one of the six classes of the phylum Pseudomonadota (synonym Proteobacteria).