Bacillus simplex Priest et al., 1989 emend. Heyrman et al., 2005 Dataset Catalogue of Life Rank SPECIES Classification kingdom Bacteria phylum Firmicutes class Bacilli order Bacillales family Bacillaceae genus Bacillus species Bacillus simplex Name Homonyms Bacillus simplex Priest et al., 1989 emend. Heyrman et al., 2005