CHIAPYURIDIUMS
GEOGEMAS
HECOREN
IGNOCOCCUS (adicciones)
METHANOBACTERIUM
METHANOCOCCUS
METHANOGENIUM
METHANOLOBUS
METHANOMICROBIUM
METHANOPYRUS
METHANOSARCINIA
METHANOSPIRILLUM
METHANOTHERMUS
NITROSOMARINUS
NITROSOPUMILUS
PYROCOCCUS
PYRODICTIUM
PYROLOBUS
PEPTO SPECTOCOCUS
SULFODIICOCCUS
SULFOLOBUS
SULFURISPHAERA
STYGIOLOBUS
THAMAYUS 
THERMOCOCCUS
THERMODISCUS
THERMOGLADIUS
THERMOPLASMATA
THERMOPROTEUS