sunxiuqinia elliptica sunxiuqinia elliptica sunxiuqinia elliptica is a gram-negative, aerobic and elliptical bacterium from the genus of sunxiuqinia which has been isolated from sediments from a seashore pond which was cultivatet with sea cucumbers from jimo. sunxiuqinia elliptica scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: prolixibacteraceae genus: sunxiuqinia species: s. elliptica binomial name sunxiuqinia ellipticaqu et al. 2011