| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Janibacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Jahnella thaxteri T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Jahnella | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Izhakiella capsodis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Izhakiella australiensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Izhakiella | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isosphaera pallida T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isosphaera | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola variabilis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola nanjingensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola jiangsuensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola hypogeus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola halotolerans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola halalbus | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola dokdonensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola cucumis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola chiayiensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isoptericola | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isochromatium buderi T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isochromatium | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isobaculum melis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isobaculum | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isachenkonia alkalipeptolytica T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Isachenkonia | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Irregularibacter muris T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Irregularibacter | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Iphinoe spelaeobios T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Iphinoe | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Symphyonemataceae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Iodobacter limnosediminis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |