massilia umbonata massilia umbonata massilia umbonata is a bacterium from the genus massilia which has been isolated from soil and sewage sludge compost in jaén in spain. massilia umbonata scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: oxalobacteraceae genus: massilia species: m. umbonata binomial name massilia umbonatarodríguez et al. 2014 type strain cect 7753, dsm 26121, lp01