| Subject | English | Spanish |
| med. | Clostridium botulinum | Clostridium botulinum (Bacillus botulinus) |
| med. | Clostridium botulinum | Bacillus botulinus |
| health., anim.husb. | Clostridium chauvoei infection | carbunco sintomatico |
| nat.sc., agric. | Clostridium chauvoei infection | carbunco asintomático |
| med. | Clostridium gigas | Bacillus gigas |
| med. | Clostridium histolyticum | bacilo histolítico (Bacillus histolyticus) |
| nat.sc., agric. | Clostridium novyi infection | edema maligno |
| nat.sc., agric. | Clostridium novyi or Clostridium oedematiens infection | peste negra de los ovinos (hepatitis infectiosa necrotica) |
| health. | clostridium perfringens toxin | toxina del clostridium perfringes |
| health., anim.husb. | Clostridium perfringens type A infection | gangrena gaseosa |
| health., anim.husb. | Clostridium perfringens type B infection | disenteria de los corderos |
| health., anim.husb. | Clostridium perfringens type B infection | diarrea de los corderos |
| agric., health., anim.husb. | clostridium perfringens type-C enterotoxaemia | infección por Clostridium perfringens tipo C |
| agric., health., anim.husb. | clostridium perfringens type-C enterotoxaemia | enterotoxemia hemorrágica ovina |
| health., anim.husb. | Clostridium septicum enterotoxaemia | fiebre carbuncular (enterotoxemia nosogenum:Clostridium septicum) |
| health., anim.husb. | Clostridium septicum enterotoxaemia | bradsot de los ovidos (enterotoxemia nosogenum:Clostridium septicum) |
| health., anim.husb. | Clostridium septicum enterotoxaemia | enterotoxemia de las ovejas (enterotoxemia nosogenum:Clostridium septicum) |
| health., anim.husb. | Clostridium septicum enterotoxaemia | basquilla (enterotoxemia nosogenum:Clostridium septicum) |
| health., anim.husb. | Clostridium septicum infection | carbunco sintomatico |
| nat.sc., agric. | Clostridium septicum infection | carbunco asintomático |
| med. | Clostridium tetani | bacilo de Nicolaier (Bacillus tetani) |
| med. | Clostridium tetani | bacilo tetànico (Bacillus tetani) |
| med. | Clostridium welchii | bacilo del flemón gaseoso (Clostridium perfringens) |
| med. | Clostridium welchii | bacilo de Achalme (Clostridium perfringens) |
| med. | Clostridium welchii | bacilo de Welch (Clostridium perfringens) |
| med. | Clostridium welchii | Bacillus aerogenes capsulatus (Clostridium perfringens) |
| med. | Clostridium welchii | Clostridium perfringens |
| med. | Clostridium welchii | Bacillus perfringens (Clostridium perfringens) |
| health., environ., chem. | sulphite-reducing clostridium | clostridio sulfitorreductor |
