| Halobacterium | HF1 , HF2 , Hs1 , Ja-1 , fH . |
| Methanobacterium | fF1 . |
| Natronobacterium | fCh1 . |
| Halobacterium | Hh-1 , Hh-3 , Ja1 , S45 , FN . |
| Methanobacterium | fF3 , yM1 . |
[Can't view Greek letters? Try downloading a new browser: Internet Explorer or Netscape]