Halomethanococcus Yu and Kawamura 1988 Halomethanococcus doii Yu and Kawamura 1988 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 Methanosarcinales Boone et al. 2002 Methanosarcinaceae Balch and Wolfe 1981 emend. Sowers et al. 1984 Halomethanococcus Yu and Kawamura 1988 Methanosarcinaceae Balch and Wolfe 1981 emend. Sowers et al. 1984 Methanohalobium Zhilina and Zavarzin 1988 Methanosalsum Boone and Baker 2002 Methanolobus König and Stetter 1983 Methanohalophilus Paterek and Smith 1988 emend. Katayama et al. 2014 Methanomethylovorans Lomans et al. 2004 Methanococcoides Sowers and Ferry 1985 emend. L'Haridon et al. 2014 Methanosarcina Kluyver and van Niel 1936 (Approved Lists 1980) emend. Ni et al. 1994 Methanimicrococcus corrig. Sprenger et al. 2000 Methanomicrococcus (sic) Sprenger et al. 2000 Halomethanococcus doii Yu and Kawamura 1988 Yu I.K. Kawamura F. Halomethanococcus doii gen. nov., sp. nov.: an obligately halophilic methanogenic bacterium from solar salt ponds. 1987 33 303 310 The Journal of General and Applied Microbiology J Gen Appl Microbiol 0022-1260 1349-8037 10.2323/jgam.33.303 The status of this taxon is unclear because the type strain of the only species of this genus is considered to be lost.