| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Proteus myxofaciens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Proteus morganii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Proteus inconstans | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Proteus cibarius | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Proteiniphilum propionicum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Proteiniclasticum aestuarii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Prosthecomicrobium mishustinii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Prosthecomicrobium litoralum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Prosthecomicrobium enhydrum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Prosthecomicrobium consociatum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propioniciclava soli | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propioniciclava sinopodophylli | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propioniciclava flava | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propioniciclava coleopterorum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium thoenii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium propionicus | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium propionicum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium olivae | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium namnetense | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium microaerophilum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium lymphophilum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium jensenii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium innocuum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium granulosum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium freudenreichii subsp. shermanii | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium damnosum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium avidum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium acnes | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium acnes subsp. elongatum | Unknown | Valid (ICNP) | Excubia bot over 1 year ago | |
| Propionibacterium acnes subsp. defendens | Unknown | Valid (ICNP) | Excubia bot over 1 year ago |