| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Methanoregulaceae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanolacinia petrolearia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanolacinia paynteri T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanolacinia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanohalophilus portucalensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanohalophilus mahii T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanohalophilus levihalophilus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanohalophilus halophilus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanohalophilus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanohalobium evestigatum T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanohalobium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanogenium organophilum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanogenium marinum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanogenium frigidum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanogenium cariaci T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanogenium | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofollis tationis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofollis liminatans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofollis formosanus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofollis fontis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofollis ethanolicus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofollis aquaemaris | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofollis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofervidicoccus abyssi T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanofervidicoccus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanoculleus thermophilus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanoculleus taiwanensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanoculleus submarinus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanoculleus sediminis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Methanoculleus receptaculi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |