chryseobacterium angstadtii chryseobacterium angstadtii chryseobacterium angstadtii is a gram-negative, rod-shaped and non-motile bacteria from the genus of chryseobacterium which has been isolated from a glass tank which contained several eastern newts (notophthalmus viridescens). chryseobacterium angstadtii scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: chryseobacterium species: c. angstadtii binomial name chryseobacterium angstadtiikirk et al. 2013 type strain atcc baa-2160, kctc 23297, km, nrrl b-59516