| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Carboxydochorda | ||||
| Carboxydochorda subterranea T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Carboxydichorda | ||||
| Carboxydichorda subterranea T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Campylobacter molothri | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Buchananella felis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Brumicola pallidula T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Brumicola nitratireducens | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Brevibacterium metallidurans | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Brevibacterium koreense | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Borborobacter | ||||
| Borborobacter arsenicus T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Bifidobacterium apicola | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Benzoatithermus | ||||
| Benzoatithermus flavus T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Bengtsoniella | ||||
| Bengtsoniella intestinalis T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Bacteroides vicugnae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Bacteriovorax antarcticus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Bacillus yunxiaonensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Bacillus kandeliae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Bacillus bruguierae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Atrimonas | ||||
| Atrimonas thermophila T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Atlantibacter subterraneus | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Asprobacillus argus T | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Ascidiimonas meishanensis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Archangium lansingense | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Aquibaculum sediminis | Unknown | Valid (ICNP) | Excubia bot about 1 year ago | |
| Antrihabitans spumae | Unknown | Valid (ICNP) | Excubia bot about 1 year ago |