blautia blautia blautia is a genus of anaerobic bacteria. upon introduction, this genus mostly consisted of species previously described in the genus ruminococcus. blautia scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: blautialiu et al. 2008 species b. acetigignens b. ammoniilytica b. argi b. caecimuris b. celeris b. coccoides b. faecicola b. faecis b. glucerasea b. hansenii b. hominis b. hydrogenotrophica b. intestinalis b. liquoris b. luti b. obeum b. producta b. schinkii b. stercoris b. wexlerae