Methanosarcinales Dataset NCBI Taxonomy Rank ORDER Classification kingdom Methanobacteriati phylum Methanobacteriota class Methanomicrobia order Methanosarcinales Name Synonyms "Halomebacteria" Cavalier-Smith 1986 Halomebacteria Cavalier-Smith 2002 Methanosarcinales Boone et al. 2002 Homonyms Methanosarcinales Methanosarcinales Boone et al. 2002