"Methanogenium boonei" Kendall et al. 2007 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanomicrobiales family Methanomicrobiaceae genus Methanogenium species Methanogenium boonei Name Homonyms Methanogenium boonei "Methanogenium boonei" Kendall et al. 2007