Methanocaldococcus villosus Bellack et al. 2011 Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Methanococci order Methanococcales family Methanocaldococcaceae genus Methanocaldococcus species Methanocaldococcus villosus Name Homonyms Methanocaldococcus villosus Methanocaldococcus villosus Bellack et al. 2011