vagococcus lutrae vagococcus lutrae vagococcus lutrae is a gram-positive and coccus-shaped bacterium from the genus of vagococcus which has been isolated from a otter (lutra lutra). vagococcus lutrae can cause infection in humans in rare cases. vagococcus lutrae scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: enterococcaceae genus: vagococcus species: v. lutrae binomial name vagococcus lutraelawson et al. 1999 type strain ccug 39187