Domain Bacteria Woese et al. 1990
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   Phylum Actinobacteria Garrity and Holt 2001
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     Class Actinobacteria Stackebrandt et al. 1997
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       Subclass Rubrobacteridae Rainey et al. 1997 see Class Rubrobacteria Suzuki 2013
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         Order Rubrobacterales Rainey et al. 1997
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           Suborder "Rubrobacterineae" Garrity & Holt, 2001
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             Family Rubrobacteraceae Rainey et al. 1997
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               Genus Rubrobacter Suzuki et al. 1989
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