vagococcus fluvialis vagococcus fluvialis vagococcus fluvialis is a species of bacteria. the type strain of v. fluvialis is ncdo 2497. it rarely causes human infection. the only genetically proven case of v. fluvialis endocarditis was detected in the cochin, india. vagococcus fluvialis scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: enterococcaceae genus: vagococcus species: v. fluvialiscollins et al. 1990