pseudophaeobacter pseudophaeobacter pseudophaeobacter is a genus of bacteria. pseudophaeobacter scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: pseudophaeobacterbreider et al. 2014 species pseudophaeobacter arcticus (zhang et al. 2008) breider et al. 2014 pseudophaeobacter leonis (gaboyer et al. 2013) breider et al. 2014