[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] 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 Bacillaceae Fischer 1895 (Approved Lists 1980) 01 Genus Bacillus Cohn 1872 (Approved Lists 1980) 02 Genus Alkalibacillus Jeon et al. 2005 03 Genus Amphibacillus Niimura et al. 1990 04 Genus Anoxybacillus Pikuta et al. 2000 05 Genus Caldalkalibacillus Xue et al. 2006 06 Genus Cerasibacillus Nakamura et al. 2004 07 Genus Exiguobacterium Collins et al. 1984 08 Genus Filobacillus Schlesner et al. 2001 09 Genus Geobacillus Nazina et al. 2001 10 Genus Gracilibacillus Wainø et al. 1999 11 Genus Halobacillus Spring et al. 1996 12 Genus Halolactibacillus Ishikawa et al. 2005 13 Genus Jeotgalibacillus Yoon et al. 2001 14 Genus Lentibacillus Yoon et al. 2002 15 Genus Marinibacillus Yoon et al. 2001 see Genus Jeotgalibacillus Yoon et al. 2001 16 Genus Oceanobacillus Lu et al. 2002 17 Genus Ornithinibacillus Mayr et al. 2006 18 Genus Paraliobacillus Ishikawa et al. 2003 19 Genus Paucisalibacillus Nunes et al. 2006 20 Genus Pontibacillus Lim et al. 2005 21 Genus Saccharococcus Nystrand 1984 22 Genus Salinibacillus Ren and Zhou 2005 23 Genus Tenuibacillus Ren and Zhou 2005 24 Genus Thalassobacillus García et al. 2005 25 Genus Ureibacillus Fortina et al. 2001 26 Genus Virgibacillus Heyndrickx et al. 1998 26.0 Genus Salibacillus Wainø et al. 1999 see Genus Virgibacillus Heyndrickx et al. 1998 27 Genus Vulcanibacillus L'Haridon et al. 2006