Corynebacteria can be characterised as

Corynebacteria can be characterized as Non-motile, non-sporing, aerobic, Gram positive bacilli.
Corynebacteria are club-shaped, gram-positive, non spore forming bacteria, found in chines characters-like arrangement of cells. These are non-motile, aerobic, pleomorphic rods with coccoid or club-shaped appearance that are catalase-positive and non-acid-fast.
Bacteria are small, pleomorphic, aerobic, non-spore forming bacilli. They are Gram-positive and slightly club shaped.