| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Promicromonospora flava | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Promicromonospora enterophila | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prochloron | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prochloron didemni T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Primorskyibacter insulae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Primorskyibacter flagellatus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prevotella zoogleoformans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prevotella tannerae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prevotella ruminicola subsp. brevis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prevotella oulora | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prevotella lacticifex | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prevotella illustrans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prevotella herbatica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prevotella heparinolytica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prescottella | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prescottella subtropica | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prescottella soli | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prescottella equi T | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prescottella defluvii | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prescottella agglutinans | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prauserella flava | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Prauserella cavernicola | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Portibacter marinus | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Porphyromonas salivosa | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Porphyromonas cansulci | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Porphyrobacter mercurialis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Pontixanthobacter sediminis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Pontixanthobacter gangjinensis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Pontixanthobacter confluentis | Unknown | Valid (ICNP) | Excubia bot over 3 years ago | |
| Pontixanthobacter aquaemixtae | Unknown | Valid (ICNP) | Excubia bot over 3 years ago |