Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 2024 Kingdom Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Spirochaetota Garrity and Holt 2021 Class Spirochaetiaᵀ Paster 2020 Order Leptospirales Gupta et al. 2014 [monotypic] Family Leptospiraceaeᵀ Hovind-Hougen 1979 (Approved Lists 1980) Genus Leptospiraᵀ Noguchi 1917 (Approved Lists 1980) 01 Leptospira alexanderi Brenner et al. 1999 02 Leptospira alstonii Smythe et al. 2013 03 Leptospira biflexa (Wolbach and Binger 1914) Noguchi 1918 (Approved Lists 1980) 04 Leptospira borgpetersenii Yasuda et al. 1987 05 Leptospira broomii Levett et al. 2006 06 Leptospira fainei Perolat et al. 1998 07 Leptospira inadai Yasuda et al. 1987 08 Leptospira interrogans (Stimson 1907) Wenyon 1926 (Approved Lists 1980) 09 Leptospira kirschneri Ramadass et al. 1992 10 Leptospira kmetyi Slack et al. 2009 11 Leptospira licerasiae Matthias et al. 2009 12 Leptospira meyeri Yasuda et al. 1987 13 Leptospira noguchii Yasuda et al. 1987 14 Leptospira santarosai Yasuda et al. 1987 15 Leptospira terpstrae Smythe et al. 2013 16 Leptospira vanthielii Smythe et al. 2013 17 Leptospira weilii Yasuda et al. 1987 18 Leptospira wolbachii Yasuda et al. 1987 19 Leptospira wolffii Slack et al. 2008 20 Leptospira yanagawae Smythe et al. 2013