paenisporosarcina antarctica paenisporosarcina antarctica paenisporosarcina antarctica is a psychrophilic, gram-positive and rod-shaped bacterium from the genus of paenisporosarcina which has been isolated from soil from the king george island. paenisporosarcina antarctica scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: planococcaceae genus: paenisporosarcina species: p. antarctica binomial name paenisporosarcina antarctica(wu et al. 2008) reddy et al. 2013 type strain cgmcc 1.6503, jcm 14646, strain n-05 synonyms sporosarcina antarctica