Domain Bacteria Woese et al. 1990
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   Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
  Count: -
     Class "Clostridia" Garrity et al. 2001 nom. ined. see Class Clostridia Rainey 2010
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       Order Clostridiales Prévot 1953 (Approved Lists 1980)
      Count: [*] *
         Family "Acidaminococcaceae" Marchandin et al., 2010 see Family Acidaminococcaceae Marchandin et al. 2010
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           Genus Dialister (ex Bergey et al. 1923) Moore and Moore 1994
          Count: -