nonlabens antarcticus nonlabens antarcticus nonlabens antarcticus is a gram-negative, strictly aerobic, psychrophilic and rod-shaped bacterium from the genus of nonlabens which has been isolated from the core of a glacier from the king george island. nonlabens antarcticus scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: nonlabens species: n. antarcticus binomial name nonlabens antarcticuskwon et al. 2014 type strain aks622