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] [crown] Clade Discoba Simpson 2009 [Simpson 2020] 1 [crown] Clade Discicristata Cavalier-Smith 1998 [Simpson 2020]