The Cardiobacteriaceae are a family of
Pseudomonadota, given their own order. They are
Gram-negative
Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wa ...
and rod-shaped, with diameters around 0.5 to 1.7 μm and lengths from 1–6 μm.
[George M. Garrity: ''Bergey's Manual of Systematic Bacteriology'' 2. Auflage. Springer, New York, 2005, Volume 2: The Proteobacteria, Part B: The Gammaproteobacteria]
References
Gammaproteobacteria
{{gammaproteobacteria-stub