gottschalkia acidurici gottschalkia acidurici gottschalkia acidurici is a species of bacteria belonging to the family of gottschalkiaceae. it was formerly placed in the genus clostridium of the clostridiaceae. it can be anywhere between 2.5 and 4 micrometers in length and anywhere between 0.5 and 0.7 micrometers in width. gottschalkia acidurici scientific classification domain: bacteria phylum: bacillota order: tissierellales family: gottschalkiaceae genus: gottschalkia species: g. acidurici binomial name gottschalkia acidurici(liebert 1909) poehlein et al. 2017 synonyms clostridium acidurici