Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Biota "neomura" Domain Eukaryota Chatton, 1925 - eukaryotes "neokaryotes" - mitochondrial eukaryotes "neozoa" Superkingdom Corticata Lankester, 1878 Kingdom Chromista Caval.-Sm. (1981) - chromists Subkingdom Harosa Cavalier-Smith, 2010 Infrakingdom Halvaria Cavalier-Smith, 2010 Superphylum Heterokonta Caval.-Sm. (1981) Phylum Ochrophyta Caval.-Sm. (1995) Subphylum Khakista Caval.-Sm. (2000) Diatomea Kütz. (1844) Class Bacillariophyceae Haeckel (1878) - pennates Subclass Bacillariophycidaeᵀ D.G. Mann (1990) - raphid diatoms [Order Amphorales] see Order Thalassiophysales D.G. Mann (1990) 1 [Family Amphoraceaeᵀ] see Family Catenulaceae Mereschk. (1902)