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] [Superkingdom Eukarya Chatton, 1925] see Domain Eukaryota Chatton, 1925 [Kingdom Protoctista Hogg, 1860] [Division Bacillariophyta Engl. & Gilg (1919)] see Phylum Bacillariophyta Engl. & Gilg (1919) [Subdivision Bacillariophytinaᵀ Medlin & Kaczmarska (2004)] see Subphylum Bacillariophytina Medlin & Kaczmarska (2004) [Class "Bacillariophycideae" Kingston (2003)] see Class Bacillariophyceae Haeckel (1878)