methylobacteriaceae methylobacteriaceae the methylobacteriaceae are a family of hyphomicrobiales. methylobacteriaceae scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylobacteriaceaegarrity et al. 2006 genera enterovirga chen et al. 2017 methylobacterium patt et al. 1976 (approved lists 1980) methylorubrum green and ardley 2018 microvirga kanso and patel 2003 psychroglaciecola qu et al. 2014