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 Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020] 1 [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020]