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A phylum of bacteria, composed of five classes.
A phylum of bacteria, composed of five classes.
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Class Alphaproteobacteria, orders Rhizobiales and Rickettsiales.
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Class Betaproteobacteria, orders Burkholderiales and Neisseriales.
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Class '''Alphaproteobacteria''', orders Rhizobiales and Rickettsiales.
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Class Gammaproteobacteria, orders Pasteurellales, Pseudomonadales, Legionellales and Thiotrichales. It also includes the families Enterobacteriaceae and Vibrionaceae.
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Class Deltaproteobacteria, order Myxobacteria.
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Class '''Betaproteobacteria''', orders Burkholderiales and Neisseriales.
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Class Epsilonproteobacteria, order Campylobacterales (families Campylobacteriaceae and Helicobacteriaceae).
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Class '''Gammaproteobacteria''', orders Pasteurellales, Pseudomonadales, Legionellales and Thiotrichales. It also includes the families Enterobacteriaceae and Vibrionaceae.
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Class '''Deltaproteobacteria''', order Myxobacteria.
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Class '''Epsilonproteobacteria''', order Campylobacterales (families Campylobacteriaceae and Helicobacteriaceae).