Spirochaeta Ehrenberg, 1835 emend. Pikuta et al., 2009 Dataset Catalogue of Life Rank GENUS Classification kingdom Bacteria phylum Spirochaetae class Spirochaetes order Spirochaetales family Spirochaetaceae genus Spirochaeta Name Homonyms Spirochaeta Turcz. Spirochaeta Ehrenberg, 1835 emend. Pikuta et al., 2009