mycobacteriaceae mycobacteriaceae mycobacteriaceae is a family of bacteria in the phylum actinomycetota. its name is derived from the mycobacterium genus, which includes pathogens known to cause serious diseases in mammals, including tuberculosis (m. tuberculosis) and leprosy (m. leprae) in humans. the greek prefix myco- means 'fungus', alluding to this genus' mold-like colony surfaces. mycobacteriaceae scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: mycobacteriales family: mycobacteriaceaechester 1897 (approved lists 1980) genera. bactoderma tepper and korshunova 1973 (approved lists 1980) mycobacterium lehmann and neumann 1896 (approved lists 1980) mycobacteroides gupta et al. 2018 mycolicibacillus gupta et al. 2018 mycolicibacter gupta et al. 2018 mycolicibacterium gupta et al. 2018 stibiobacter lyalikova 1974 (approved lists 1980) phylogeny the phylogeny is based on whole-genome analysis. mycobacteriaceae mycobacteroides mycolicibacterium mycolicibacter mycolicibacillus mycobacterium corynebacteriaceae (outgroup) fast-growing mycobacteriaslow-growing mycobacteria notes bactoderma and stibiobacter are not included in this phylogenetic tree.