| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Quadrisphaera oryzae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Quadrisphaera granulorum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Quadrisphaera | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Qipengyuania sediminis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Qipengyuania flava | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Qipengyuania | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Qingshengfaniella alkalisoli T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Qingshengfaniella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyxidicoccus trucidator | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyxidicoccus fallax T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyxidicoccus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyruvatibacter mobilis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyruvatibacter | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrolobus fumarii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrolobus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrodictium occultum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrodictium delaneyi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrodictium brockii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrodictium abyssi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrodictium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrococcus yayanosii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrococcus woesei | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrococcus kukulkanii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrococcus horikoshii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrococcus glycovorans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrococcus furiosus T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrococcus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrobaculum organotrophum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrobaculum oguniense | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Pyrobaculum neutrophilum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |