Rod-shaped bacteria Bacilli divide only across their short axis, so there are fewer groupings of bacilli than of cocci Single bacillus Single bacillus 4b) Diplobacilli D.plulucillus streptobacilli streptobisllus Coccobacillus (db Cocecbari luisBacilli divide only across their short axis, so there are fewer groupings of bacilli than of cocci. Rod-shaped bacteria Diplobacilli streptobacilli Single bacillus Coccobacillus