tenuibacillus tenuibacillus tenuibacillus is a genus of bacteria from the family of bacillaceae. tenuibacillus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: tenuibacillusren and zhou 2005 type species tenuibacillus multivorans species t. halotolerans t. multivorans synonyms tenuebacillus