| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Octadecabacter arcticus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Octadecabacter antarcticus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Octadecabacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ochrobactrum teleogrylli | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Ochrobactrum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanotoga teriensis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanotoga | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanospirillum vagum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanospirillum sanctuarii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanospirillum multiglobuliferum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanospirillum maris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanospirillum linum T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanospirillum beijerinckii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanospirillum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanococcus atlanticus T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanococcus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacter kriegii T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus zhaokaii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus sojae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus rekensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus profundus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus polygoni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus piezotolerans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus picturae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus pacificus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus oncorhynchi subsp. oncorhynchi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus oncorhynchi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus oncorhynchi subsp. incaldanensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Oceanobacillus neutriphilus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |