tessaracoccus antarcticus tessaracoccus antarcticus tessaracoccus antarcticus is a gram-positive and facultatively anaerobic bacterium from the genus tessaracoccus which has been isolated from soil from the fildes peninsula. tessaracoccus antarcticus produces rhodopsin. tessaracoccus antarcticus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: propionibacteriaceae genus: tessaracoccus species: t. antarcticus binomial name tessaracoccus antarcticuszhou et al. 2020 type strain jdx10kctc 49242mccc 1h00351