compostibacter compostibacter compostibacter is a genus of bacteria from the family of chitinophagaceae with one known species (compostibacter hankyongensis). compostibacter hankyongensis has been isolated from compost. compostibacter scientific classification domain: bacteria phylum: bacteroidota class: chitinophagia order: chitinophagales family: chitinophagaceae genus: compostibactersiddiqi et al. 2016 type species compostibacter hankyongensis species c. hankyongensis