| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Methanococcaceae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanococcoides methylutens T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanococcoides burtonii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanococcoides alaskense | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanococcoides | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocella paludicola T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocella conradii | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocella arvoryzae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocella | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocellaceae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocellales | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcus vulcanius | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcus villosus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcus jannaschii T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcus infernus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcus indicus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcus fervens | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcus bathoardescens | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocaldococcaceae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanococcales | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanococci | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocalculus taiwanensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocalculus pumilus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocalculus natronophilus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocalculus halotolerans T | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocalculus chunghsingensis | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocalculus alkaliphilus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocalculus | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago | |
| Methanocalculaceae | Unknown | Valid (ICNP) | Excubia bot almost 5 years ago |