Peptostreptococcus Kluyver & van Niel, 1936 emend. Ezaki et al., 2001 Dataset Catalogue of Life Rank GENUS Classification kingdom Bacteria phylum Firmicutes class Clostridia order Clostridiales family Peptostreptococcaceae genus Peptostreptococcus Name Homonyms Peptostreptococcus Kluyver & van Niel, 1936 emend. Ezaki et al., 2001