microvirga subterranea microvirga subterranea microvirga subterranea is a gram-negative, moderate thermophile, rod-shaped and aerobic bacteria with a single polar flagellum from the genus of microvirga which has been isolated from the great artesian basin in queensland in australia. microvirga subterranea scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylobacteriaceae genus: microvirga species: m. subterranea binomial name microvirga subterraneakanso and patel 2003 type strain atcc baa-295, dsm 14364, faii4 synonyms corbulabacter subterraneus