pseudomonas leptonychotis pseudomonas leptonychotis pseudomonas leptonychotis is a gram-negative bacterium from the genus of pseudomonas which has been isolated from a weddell seal from the james ross island. pseudomonas leptonychotis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: pseudomonadaceae genus: pseudomonas species: p. leptonychotis binomial name pseudomonas leptonychotisnováková et al. 2020 type strain p5773