"Methylomonas methanica" (Sohngen 1906) Leadbetter 1974 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Methylococcales family Methylococcaceae genus Methylomonas species Methylomonas methanica Name Homonyms Methylomonas methanica "Methylomonas methanica" (Sohngen 1906) Leadbetter 1974 Methylomonas methanica (ex Sohngen 1906) Whittenbury and Krieg 1984