roseitalea roseitalea roseitalea is a genus of bacteria from the family of phyllobacteriaceae with one known species (roseitalea porphyridii). roseitalea scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: phyllobacteriaceae genus: roseitaleahyeon et al. 2017 species r. porphyridii