mycobacterium shimoidei mycobacterium shimoidei mycobacterium shimoidei is a slowly growing non-pigmented species of mycobacteria. it is rarely associated with lung disease in humans. it was first isolated in 1975. mycobacterium shimoidei scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: mycobacteriales family: mycobacteriaceae genus: mycobacterium species: m. shimoidei binomial name mycobacterium shimoidei(ex tsukamura et al., 1975) tsukamura, 1982