Serpulina pilosicoli Trott et al. 1996 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Spirochaetota corrig. Garrity and Holt 2021 Spirochaetes (sic) Garrity and Holt 2021 non Spirochaetes Cavalier-Smith 2002 Spirochaetia (Cavalier-Smith 2002) Paster 2020 Spirochaetales Buchanan 1917 (Approved Lists 1980) emend. Hördt et al. 2020 Brachyspiraceae Paster 2012 Brachyspira Hovind-Hougen et al. 1983 Serpulina pilosicoli Trott et al. 1996 Brachyspira Hovind-Hougen et al. 1983 Serpulina intermedia Stanton et al. 1997 Serpulina murdochii Stanton et al. 1997 Serpulina innocens (Kinyon and Harris 1979) Stanton 1992 Serpulina alvinipulli Stanton et al. 1998 Serpulina hyodysenteriae Stanton 1992 pro synon. Serpula hyodysenteriae (Harris et al. 1972) Stanton et al. 1991 Brachyspira pilosicoli (Trott et al. 1996) Ochiai et al. 1998 emend. Hördt et al. 2020 Serpulina pilosicoli Trott et al. 1996 Trott D.J. Stanton T.B. Jensen N.S. Duhamel G.E. Johnson J.L. Hampson D.J. Serpulina pilosicoli sp. nov., the agent of porcine intestinal spirochetosis 1996 46 1 206 215 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-46-1-206 8573497 Trott D.J. Stanton T.B. Jensen N.S. Duhamel G.E. Johnson J.L. Hampson D.J. Serpulina pilosicoli sp. nov., the agent of porcine intestinal spirochetosis 1996 46 1 206 215 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-46-1-206 8573497