Clostridium piliforme (ex Tyzzer 1917) Duncan et al. 1993 Duncan A.J. Carman R.J. Olsen G.J. Wilson K.H. Assignment of the agent of Tyzzer's disease to Clostridium piliforme comb. nov. on the basis of 16S rRNA sequence analysis. 1993 43 2 314 318 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-2-314 7684241 note:Also referred to as "Tyzzer's bacillus"