Methanospirillum lacunae Iino et al. 2010 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanomicrobia order Methanomicrobiales family Methanospirillaceae genus Methanospirillum species Methanospirillum lacunae Name Homonyms Methanospirillum lacunae Methanospirillum lacunae Iino et al. 2010