Leptospira Noguchi, 1917 Dataset Catalogue of Life Rank GENUS Classification kingdom Bacteria phylum Spirochaetae class Spirochaetes order Spirochaetales family Leptospiraceae genus Leptospira Name Homonyms Leptospira Swainson, 1840 Leptospira Noguchi, 1917 Leptospira Boucot, Johnson & Staton, 1964