pseudophaeobacter leonis pseudophaeobacter leonis pseudophaeobacter leonis is a gram-negative, strictly aerobic and heterotrophic bacteria from the genus pseudophaeobacter which has been isolated from anoxic marine sediments from the gulf of lions. pseudophaeobacter leonis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: pseudophaeobacter species: p. leonis binomial name pseudophaeobacter leonis(gaboyer et al. 2013) breider et al. 2014 type strain 306, 306cip 110369, cip 110369, dsm 25627, ubocc 3187 synonyms phaeobacter leonis gaboyer et al. 2013