psychrobacillus soli psychrobacillus soli psychrobacillus soli is a gram-positive, endospore-forming, psychrotolerant and aerobic bacterium from the genus of psychrobacillus which has been isolated from oil contaminated soil. psychrobacillus soli has the ability to degrade oil. psychrobacillus soli scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: psychrobacillus species: p. soli binomial name psychrobacillus solipham et al. 2015 type strain kacc 18243, kemb 9005-135, nbrc 110600, nhi-2