[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain "Archaea" Woese et al. 1990 stat. inval. see Domain Archaea Woese et al. 2024
     Phylum "Euryarchaeota" Garrity and Holt 2002 stat. inval. see Kingdom Methanobacteriati (Garrity and Holt 2023) Oren and Göker 2024
       Class "Methanomicrobia" Garrity et al. 2005 nom. inval.
         Order Methanosarcinales Boone et al. 2002
           Family Methanosarcinaceae Balch and Wolfe 1981
             1 Genus Methanosarcina Kluyver and van Niel 1936 (Approved Lists 1980)
             2 Genus Methanococcoides Sowers and Ferry 1985
             3 Genus Methanohalobium Zhilina and Zavarzin 1988
             4 Genus Methanohalophilus Paterek and Smith 1988
             5 Genus Methanolobus König and Stetter 1983
             6 Genus Methanomethylovorans Lomans et al. 2004
             7 Genus Methanimicrococcus corrig. Sprenger et al. 2000
             8 Genus Methanosalsum Boone and Baker 2002