| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Proteus | ||||
| Proteocatella sphenisci T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteocatella | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteinivorax tanatarense T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteinivorax hydrogeniformans | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteinivorax | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteinivoraceae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteiniphilum saccharofermentans | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteiniphilum acetatigenes T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteiniphilum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteiniclasticum ruminis T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteiniclasticum | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteiniborus indolifex | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteiniborus ethanoligenes T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Proteiniborus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Protaetiibacter larvae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Protaetiibacter intestinalis T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Protaetiibacter | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecomicrobium pneumaticum T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecomicrobium hirschii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecomicrobium | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecochloris vibrioformis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecochloris marina | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecochloris aestuarii T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecochloris | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecobacter vanneervenii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecobacter fusiformis T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecobacter fluviatilis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecobacter dejongeii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Prosthecobacter debontii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago |