"Peptoclostridium" Yutin and Galperin 2013 Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Peptostreptococcales family Peptoclostridiaceae genus Peptoclostridium Name Homonyms Peptoclostridium "Peptoclostridium" Yutin and Galperin 2013 Peptoclostridium Galperin et al. 2016