Spirochaeta psychrophila Miyazaki et al. 2014 Miyazaki M. Sakai S. Yamanaka Y. Saito Y. Takai K. Imachi H. Spirochaeta psychrophila sp. nov., a psychrophilic spirochaete isolated from subseafloor sediment, and emended description of the genus Spirochaeta 2014 64 8 2798 2804 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.062463-0 24860115