Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] [Kingdom Protista (Haeckel, 1866) - protists] [Phylum Diatomeae] see Phylum Bacillariophyta Engl. & Gilg (1919) [Class Areolatae Redtenbacher, 1906]