Methanoculleus Dataset NCBI Taxonomy Rank GENUS Classification phylum Euryarchaeota class Methanomicrobia order Methanomicrobiales family Methanomicrobiaceae genus Methanoculleus Name Synonyms Methaniculleus Methanoculleus Maestrojun et al. 1990 Homonyms Methanoculleus Methanoculleus Maestrojun et al. 1990