Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 [paraphyletic?] Phylum "Spirochaetes" Garrity and Holt 2001 [monotypic] Class Spirochaetesᵀ Cavalier-Smith 2002 [monotypic] Order Spirochaetalesᵀ Buchanan 1917 (Approved Lists 1980), sedis mutabilis Family Spirochaetaceaeᵀ Swellengrebel 1907 (Approved Lists 1980) Genus Treponema Schaudinn 1905 (Approved Lists 1980) 01 Treponema amylovorum Wyss et al. 1997 02 Treponema azotonutricium Graber et al. 2004 03 Treponema berlinense Nordhoff et al. 2005 04 Treponema brennaborense Schrank et al. 1999 05 Treponema bryantii Stanton and Canale-Parola 1980 06 Treponema denticola (ex Flügge 1886) Chan et al. 1993 07 Treponema isoptericolens Dröge et al. 2008 08 Treponema lecithinolyticum Wyss et al. 1999 09 Treponema maltophilum Wyss et al. 1996 10 Treponema medium Umemoto et al. 1997 11 Treponema minutum Dobell 1912 (Approved Lists 1980) 12 Treponema pallidumᵀ (Schaudinn and Hoffmann 1905) Schaudinn 1905 (Approved Lists 1980) 13 Treponema paraluiscuniculi corrig. (Jacobsthal 1920) Smibert 1974 (Approved Lists 1980) 14 Treponema parvum Wyss et al. 2001 15 Treponema pectinovorum Smibert and Burmeister 1983 16 Treponema pedis Evans et al. 2009 17 Treponema pertenue (Castellani 1905) Castellani and Chalmers 1910 (Approved Lists 1980) 18 Treponema porcinum Nordhoff et al. 2005 19 Treponema primitia Graber et al. 2004 20 Treponema putidum Wyss et al. 2004 21 Treponema saccharophilum Paster and Canale-Parola 1986 22 Treponema socranskii Smibert et al. 1984 23 Treponema succinifaciens Cwyk and Canale-Parola 1981 24 Candidatus Treponema macrodentium Noguchi 1912 25 Candidatus Treponema orale corrig. Socransky et al. 1969