Methanobacterium formicicum Dataset NCBI Taxonomy Rank SPECIES Classification phylum Euryarchaeota class Methanobacteria order Methanobacteriales family Methanobacteriaceae genus Methanobacterium species Methanobacterium formicicum Name Synonyms Methanobacterium formicicum Schnellen 1947 (Approved Lists 1980) emend. Judicial Commission 1992 Homonyms Methanobacterium formicicum Methanobacterium formicicum Schnellen 1947 (Approved Lists 1980) emend. Judicial Commission 1992