Geobacillus stearothermophilus

Higher order taxa

The taxonomy; Bacteria is domain; \ Firmicutes is phylum,

                          ; Bacilli is class
                                ; Bacillales is order 
                                      ; Bacillaceae is family 
                                         ; Geobacillus is genus  

, This is done for the higher order taxa Bacteria (Domain); Firmicutes (Phylum); Bacilli (Class); Bacillales (Order); Bacillaceae (Family); Geobacillus (Genus) (1)