riemerella columbipharyngis riemerella columbipharyngis riemerella columbipharyngis is a bacterium from the genus of riemerella which has been isolated from the pharynx of a domestic pigeon. riemerella columbipharyngis scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: riemerella species: r. columbipharyngis binomial name riemerella columbipharyngisrubbenstroth et al. 2013 type strain 8151 synonyms riemerella columbipharyngeale