flexivirga lutea flexivirga lutea flexivirga lutea is a gram-positive, aerobic and non-motile bacterium from the genus flexivirga which has been isolated from feces of the bird crested ibis. flexivirga lutea scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: dermacoccaceae genus: flexivirga species: f. lutea binomial name flexivirga luteakang et al. 2016 type strain jcm 31200kctc 39625tbs-100