parerythrobacter parerythrobacter parerythrobacter is a genus of gram-negative bacteria. parerythrobacter scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: erythrobacteraceae genus: parerythrobacterxu et al. 2020 species p. jejuensis (yoon et al. 2013) xu et al. 2020 p. lutipelagi (lee 2019) xu et al. 2020