<prompt> Spore forming anaerobic gram positive bacilli ?Bacillus AnthracisClostridiaCorynebacteriumPeptostreptococcus  <response>: Ans. is b i.e., Clostridia There are two medically impoant spore forming bacteria. Both of them are gram positive bacilli :-Aerobic : BacillusAnaerobic obligate anaerobes : Clostridia. 