chelativorans oligotrophicus chelativorans oligotrophicus chelativorans oligotrophicus is a gram-negative, aerobic, non-motile bacteria from the genus of chelativorans. chelativorans oligotrophicus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: phyllobacteriaceae genus: chelativorans species: c. oligotrophicus binomial name chelativorans oligotrophicusdoronina et al. 2010 type strain dsm 19276, lpm-4, vkm b-2395 synonyms chelatovorus oligotrophus