chitinophaga aurantiaca chitinophaga aurantiaca chitinophaga aurantiaca is a gram-negative, rod-shaped, facultatively anaerobic and non-motile bacterium from the genus of chitinophaga. chitinophaga aurantiaca scientific classification domain: bacteria phylum: bacteroidota class: chitinophagia order: chitinophagales family: chitinophagaceae genus: chitinophaga species: c. aurantiaca binomial name chitinophaga aurantiacakim et al. 2019 type strain thg-sd5.5