Arcanobacterium haemolyticum

Arcanobacterium haemolyticum, formerly known as Corynebacterium hæmolyticum, is a bacterium classified as a Gram-positive bacillus and is catalase-negative, aerobic, beta-haemolytic, and not motile. It is part of the normal flora of the pharynx, but may cause head and neck infections, pharyngitis, and sinusitis.