"Pseudomonas extorquens" (Bassalik 1913) Krasil'nikov 1949 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Methylobacteriaceae genus Methylorubrum species Methylorubrum extorquens Name Homonyms Pseudomonas extorquens "Pseudomonas extorquens" (Bassalik 1913) Krasil'nikov 1949