Bordetella Pertussis

Domain: Prokaryotes
Kingdom:Bacteria
Phylum: Proteobacteria
Class:Betaproteobacteria
Order:Burkholderiaceae
Family:Alcaligenaceae
Genus: Bordetella
Species: B. pertussis

Bordetella pertussis is a small, Gram-negative, coccoid bacterium about the size of 0.8 µm by 0.4 µm. They are Coccobacillus and rod shaped bacteria.