nocardioides rotundus nocardioides rotundus nocardioides rotundus is a gram-positive and aerobic bacterium in the genus nocardioides which has been isolated from deep seawater from the western pacific. nocardioides rotundus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: nocardioidaceae genus: nocardioides species: n. rotundus binomial name nocardioides rotunduswang and zhang et al. 2016 type strain kctc 39638mccc 1a10561gy0594