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 Genus Ammoniphilus Zaitsev et al. 1998