the following information is not yet verified
Taxonomy
Family: Neisseriaceae
K. kingae
K. denitrificans
K. oralis

Natural habitats
They colonizes the throat but not the nasopharynx of many children ged 6month to 4 years.

Clinical significans
They show a predilection for bones an joints of previously healthy children under 4 years of age.
Infections in adults occur more commonly in immunocompromised individuals or may present as HACEK endocarditis.

Recovery from body fluids and pus can be difficult because these specimens seem to be inhibitory to the bacteria.

the following information is not yet verified
Short Gram negative rods,

with square ends which lie together in pairs or clusters

and tend to decolorize unevenly on Gram stain

Facultative anaerobic

5% CO2 improves the growth

BA: 2 types, after 48h colonies are 1-2mm
1) colonies are smooth with a central papilla, small zone of hemolysis
2) colonies showing spreading edges and pitting of the medium, small zone of hemolysis

McConkey: no growth

BBAØ: growth

Viability is limited

James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition