Which test is used to differentiate Staphylococcus aureus from other Staphylococcus Species?

Option C

Coagulase test is an important test that differentiates the species of the genus Staphylococci into two groups; Coagulase positive Staphylococci and Coagulase Negative Staphylococci. Coagulase is of two types; free coagulase and bound coagulase, each of which is detected by different methods.