Division Bacillariophyta Engl. & Gilg (1919) see Phylum Bacillariophyta Engl. & Gilg (1919) Class Bacillariophyceae Haeckel (1878) - pennates 1 Subclass Eunotiophycidae D.G.Mann (1990) see Subclass Bacillariophycidae D.G.Mann (1990) 2 Subclass Bacillariophycidae D.G.Mann (1990) - raphid diatoms