Crossiella equi Donahue et al. 2002 Donahue J.M. Williams N.M. Sells S.F. Labeda D.P. Crossiella equi sp. nov., isolated from equine placentas 2002 52 6 2169 2173 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02257-0 12508885