Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990
     Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
       Class "Bacilli" Garrity et al. 2001 nom. ined. see Class Bacilli Ludwig et al. 2010
         Order Bacillales Prévot 1953 (Approved Lists 1980)
           Family "Paenibacillaceae" De Vos et al., 2010 see Family Paenibacillaceae De Vos et al. 2010
             1 Genus Paenibacillus Ash et al. 1994
             2 Genus Ammoniphilus Zaitsev et al. 1998
             3 Genus Aneurinibacillus Shida et al. 1996
             4 Genus Brevibacillus Shida et al. 1996
             5 Genus Oxalophagus Collins et al. 1994
             6 Genus Thermicanus Gößner et al. 2000
             7 Genus Thermobacillus Touzel et al. 2000