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] Bacteria Woese et al. 1990 [paraphyletic?] Synergistaceae Jumas-Bilak et al. 2009 Anaerobaculum Rees et al. 1997 1 Anaerobaculum hydrogeniformans Maune and Tanner 2012 2 Anaerobaculum mobile Menes and MuxĂ 2002 3 Anaerobaculum thermoterrenum Rees et al. 1997