alteripontixanthobacter alteripontixanthobacter alteripontixanthobacter is a genus of bacteria from the family of erythrobacteraceae. alteripontixanthobacter scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: erythrobacteraceae genus: alteripontixanthobacterxu et al. 2020 type species alteripontixanthobacter maritimus species a. maritimus a. muriae