| Name | Class | Order | Family | Genus |
|---|---|---|---|---|
| Methanocella arvoryzae | Methanomicrobia | Methanocellales | Methanocellaceae | Methanocella |
| Methanocella conradii | Methanomicrobia | Methanocellales | Methanocellaceae | Methanocella |
| Methanocella paludicola | Methanomicrobia | Methanocellales | Methanocellaceae | Methanocella |