Listeria grayi Errebo Larsen & Seeliger, 1966 Dataset Catalogue of Life Rank SPECIES Classification kingdom Bacteria phylum Firmicutes class Bacilli order Bacillales family Listeriaceae genus Listeria species Listeria grayi Name Synonyms Listeria murrayi Welshimer & Meredith, 1971 Homonyms Listeria grayi Errebo Larsen & Seeliger, 1966