"Enterobacter aerogenes subsp. hafniae" Ewing 1963 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Enterobacterales family Hafniaceae genus Hafnia species Hafnia alvei Name Homonyms Enterobacter aerogenes subsp. hafniae "Enterobacter aerogenes subsp. hafniae" Ewing 1963