| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Petropleomorpha | Unknown | Valid (ICNP) | Excubia bot 4 months ago | |
| Petropleomorpha daqingensis | Unknown | Valid (ICNP) | Excubia bot 4 months ago | |
| Petrothermobacter | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrothermobacter organivorans T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotoga | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotogaceae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotoga halophila | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotogales | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotoga mexicana | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotoga miotherma T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotoga mobilis | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotoga olearia | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Petrotoga sibirica | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Pfennigia | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Pfennigia purpurea | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Phaeacidiphilus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Phaeacidiphilus oryzae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Phaeobacter | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Phaeobacter aquaemixtae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Phaeobacter arcticus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Phaeobacter caeruleus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Phaeobacter daeponensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Phaeobacter gallaeciensis T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Phaeobacter inhibens | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Phaeobacter italicus | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Phaeobacterium | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Phaeobacterium nitratireducens T | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Phaeobacter leonis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Phaeobacter piscinae | Unknown | Valid (ICNP) | Excubia bot over 2 years ago | |
| Phaeobacter porticola | Unknown | Valid (ICNP) | Excubia bot over 2 years ago |