staphylococcus lutrae staphylococcus lutrae staphylococcus lutrae is a species of gram-positive bacteria and a member of the genus staphylococcus. strains of this species were originally isolated from otters and are coagulase-positive. staphylococcus lutrae scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: staphylococcaceae genus: staphylococcus species: s. lutrae binomial name staphylococcus lutraefoster et al. 1997