Anaerococcus hydrogenalis (Ezaki et al., 1990) Ezaki et al., 2001 Dataset Catalogue of Life Rank SPECIES Classification kingdom Bacteria phylum Firmicutes class Clostridia order Clostridiales genus Anaerococcus species Anaerococcus hydrogenalis Name Synonyms Peptostreptococcus hydrogenalis Ezaki et al., 1990 Homonyms Anaerococcus hydrogenalis (Ezaki et al., 1990) Ezaki et al., 2001