oceaniovalibus oceaniovalibus "oceaniovalibus" is a gram-negative genus of bacteria from the family of rhodobacteraceae with one known species ("oceaniovalibus guishaninsula"). "oceaniovalibus guishaninsula" has been isolated from seawater from the coast of guishan island in taiwan. oceaniovalibus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: "oceaniovalibus"liu et al. 2012 species "o. guishaninsula"