| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Providencia huaxiensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Providencia heimbachae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Providencia burhodogranariea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Providencia alcalifaciens T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Providencia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus vulgaris T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus terrae subsp. terrae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus terrae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus terrae subsp. cibarius | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus penneri | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus mirabilis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus hauseri | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus faecis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus columbae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus cibi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus alimentorum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteus | ||||
| Proteocatella sphenisci T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteocatella | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteinivorax tanatarense T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteinivorax hydrogeniformans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteinivorax | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteinivoraceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteiniphilum saccharofermentans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteiniphilum acetatigenes T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteiniphilum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteiniclasticum ruminis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteiniclasticum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteiniborus indolifex | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Proteiniborus ethanoligenes T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |