Procaryotic Genera Count: [*] 25p;39c;84o;215f;1008g [28 May 2016] Domain "Bacteria" Woese et al. 1990 Count: [*] 23p;31c;72o;194f;935g [28 May 2016] Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980) Count: [*] 3c;9o;32f;184g [27 May 2016] Class "Bacilli" Garrity et al. 2001 nom. ined. see Class Bacilli Ludwig et al. 2010 Count: [*] 2o;15f;64g [27 May 2016] Order Bacillales Prévot 1953 (Approved Lists 1980) Count: [*] 9f;33g [27 May 2016] Family Bacillaceae Fischer 1895 (Approved Lists 1980) Count: [*] 9g [27 May 2016] 1 Genus Bacillus Cohn 1872 (Approved Lists 1980) Count: - 2 Genus Amphibacillus Niimura et al. 1990 Count: - 3 Genus Anoxybacillus Pikuta et al. 2000 Count: - 4 Genus Exiguobacterium Collins et al. 1984 Count: - 5 Genus Gracilibacillus Wainø et al. 1999 Count: - 6 Genus Halobacillus Spring et al. 1996 Count: - 7 Genus Saccharococcus Nystrand 1984 Count: - 8 Genus Salibacillus Wainø et al. 1999 see Genus Virgibacillus Heyndrickx et al. 1998 Count: - 9 Genus Virgibacillus Heyndrickx et al. 1998 Count: -