hungatella hathewayi hungatella hathewayi hungatella hathewayi is a gram-positive, endospore-forming and rod-shaped bacterium from the genus of hungatella. hungatella hathewayi can cause infection in humans in rare cases. hungatella hathewayi scientific classification domain: bacteria phylum: bacillota class: clostridia family: clostridiaceae genus: hungatella species: h. hathewayi binomial name hungatella hathewayi(steer et al. 2002) kaur et al. 2014 synonyms clostridium hathewayi