Subterminal spores are found in
The shape and position of spores vary in different species and these are of use in identifying and classifying clostridia.subterminal spores are seen in clostridium perfringens,the bacillus appearing club shaped Ref:anantnarayan and paniker's microbiology 10th edition
Clostridium perfringens
Clostridium tetani
Clostridium difficile
Clostridium teium
Bacteriology