nocardioides cavernae nocardioides cavernae nocardioides cavernae is a gram-positive, rod-shaped and aerobic bacterium from the genus nocardioides which has been isolated from soil from a karst cave from xingye county, china. nocardioides cavernae scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: nocardioidaceae genus: nocardioides species: n. cavernae binomial name nocardioides cavernaehan et al. 2017 type strain dsm 29950kctc 39551yim a1136