Domain Bacteria Woese et al. 1990
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   Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
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     Class "Betaproteobacteria" Garrity et al. 2001 nom. ined. see Class Betaproteobacteria Garrity et al. 2006
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       Order "Burkholderiales" see Order Burkholderiales Garrity et al. 2006
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         1 Family "Burkholderiaceae" Garrity et al. 2001 nom. ined. see Family Burkholderiaceae Garrity et al. 2006
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         2 Family "Ralstoniaceae" see Family Burkholderiaceae Garrity et al. 2006
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         3 Family "Oxalobacteraceae" see Family Oxalobacteraceae Garrity et al. 2006
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         4 Family Alcaligenaceae De Ley et al. 1986
        Count: -
         5 Family Comamonadaceae Willems et al. 1991
        Count: -