candidatus ulvibacter alkanivorans candidatus ulvibacter alkanivorans "candidatus ulvibacter alkanivorans" is a candidatus bacterium from the genus ulvibacter. "candidatus ulvibacter alkanivorans" scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: ulvibacter species: "ca. u. alkanivorans" binomial name "candidatus ulvibacter alkanivorans"campeao et al. 2019