Methanocalculaceae Zhilina et al. 2014 Methanocalculus Ollivier et al. 1998 Universal Root Woese et al. 1990 Archaea Woese et al. 1990 Euryarchaeota (sic) Garrity and Holt 2001 Methanobacteriota corrig. Garrity and Holt 2001 Methanococci Boone 2002 Methanomicrobiales Balch and Wolfe 1981 Methanocalculaceae Zhilina et al. 2014 Methanomicrobiales Balch and Wolfe 1981 Methanocorpusculaceae Zellner et al. 1989 Methanomicrobiaceae Balch and Wolfe 1981 Methanospirillaceae Boone et al. 2002 Methanoplanaceae Wildgruber et al. 1984 Methanoregulaceae Sakai et al. 2012 Methanosarcinaceae Balch and Wolfe 1981 emend. Sowers et al. 1984 Incertae sedis 1 Garrity et al. 2007 Methanocalculus Ollivier et al. 1998 Zhilina T.N. Zavarzina D.G. Kevbrin V.V. Kolganova T.V. Methanocalculus natronophilus sp. nov., a new Alkaliphilic Hydrogenotrophic Methanogenic Archaeon from a Soda Lake, and Proposal of the New Family Methanocalculaceae 2013 82 681 690 Mikrobiologiya (Russian) 0026-3656 10.1134/S0026261713060131