Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Archaea Woese et al. 1990 [paraphyletic]
               Phylum Euryarchaeota Garrity and Holt 2001
                 Class "Methanomicrobia"
                   Order Methanosarcinales Boone et al. 2002
                     Family Methanosarcinaceaeᵀ Balch and Wolfe 1981
                       Genus Methanosarcinaᵀ Kluyver and van Niel 1936 (Approved Lists 1980)
                         01 Methanosarcina acetivorans Sowers et al. 1986
                         02 Methanosarcina baltica von Klein et al. 2002
                         03 Methanosarcina barkeriᵀ Schnellen 1947 (Approved Lists 1980)
                         04 Methanosarcina frisia (Blotevogel et al. 1986) Blotevogel and Fischer 1989
                         05 Methanosarcina horonobensis Shimizu et al. 2011
                         06 Methanosarcina lacustris Simankova et al. 2002
                         07 Methanosarcina mazei (Barker 1936) Mah and Kuhn 1984
                         08 Methanosarcina methanicaᵀ (Smit 1930) Kluyver and van Niel 1936 (Approved Lists 1980)
                         09 Methanosarcina semesiae Lyimo et al. 2000
                         10 Methanosarcina siciliae (Stetter and König 1989) Ni et al. 1994
                         11 Methanosarcina soligelidi Wagner et al. 2013
                         12 Methanosarcina spelaei Ganzert et al. 2014
                         13 Methanosarcina thermophila Zinder et al. 1985
                         14 Methanosarcina vacuolata Zhilina and Zavarzin 1987