Clostridium botulinus C. butyricum C. aceticum C. tetani C. putrificum Bacillus subtilis, B. Mycoides B. Pastturii B. megaterium B. Thuringiensis B. Anthracis B. Botulinus B. cereus Spore-forming rod shaped bacteria Almost all Spore-forming bacteria are Gram+ Clostridium – Anaerobic Bacillus – AerobicClostridium botulinus C. butyricum C. aceticum C. tetani C. putrificum Bacillus subtilis, B. Mycoides B. Pastturii B. megaterium B. Thuringiensis B. Anthracis B. Botulinus B. cereus Spore-forming rod shaped bacteria Almost all Spore-forming bacteria are Gram+ Clostridium – Anaerobic Bacillus – Aerobic