Methanoculleus marisnigri Dataset NCBI Taxonomy Rank SPECIES Classification phylum Euryarchaeota class Methanomicrobia order Methanomicrobiales family Methanomicrobiaceae genus Methanoculleus species Methanoculleus marisnigri Name Synonyms Methaniculleus marisnigri Methanoculleus marisnigri (Romesser et al. 1981) Maestrojun et al. 1990 Methanogenium marisnigri Methanogenium marisnigri Romesser et al. 1981 Homonyms Methanoculleus marisnigri Methanoculleus marisnigri (Romesser et al. 1981) Maestrojun et al. 1990