The Coxiellaceae are a family in the order

Legionellales The Legionellales are an order of Pseudomonadota. Like all Pseudomonadota, they are Gram-negative.George M. Garrity: ''Bergey's Manual of Systematic Bacteriology''. 2. Auflage. Springer, New York, 2005, Volume 2: ''The Proteobacteria, Part B: The ...

. ''

Coxiella burnetii ''Coxiella burnetii'' is an obligate intracellular bacterial pathogen, and is the causative agent of Q fever. The genus ''Coxiella'' is morphologically similar to ''Rickettsia'', but with a variety of genetic and physiological differences. ''C. ...

'' is a species in this order. Another is ''

Rickettsiella ''Rickettsiella'' is a genus of the family Coxiellaceae. It should not be confused with ''Rickettsia''. It is currently considered of the Gammaproteobacteria. However, its placement under Coxiellaceae instead of Legionellaceae has been challen ...

melolonthae''.

References

Legionellales Bacteria families {{Legionellales-stub