Staphylococcus is
High-Yield Explanation
Gram positive bacteria
There are 6 classic gram-positive bacteria that cause human disease.
Of these 2 are cocci
Staphylococci
Streptococci (including anaerobic peptostreptococci)
Other 4 are bacilli
Corynebacterium
Bacillus
Clostridium
Listeria