chryseobacterium nakagawai chryseobacterium nakagawai chryseobacterium nakagawai is a gram-negative bacteria from the genus of chryseobacterium. chryseobacterium nakagawai scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: chryseobacterium species: c. nakagawai binomial name chryseobacterium nakagawaiholmes et al. 2013 type strain ccug 60563, cdc g41, nctc 13529, nctc 13529, n f91