Division Bacillariophyta Engl. & Gilg (1919) see Phylum Bacillariophyta Engl. & Gilg (1919)
   Class Bacillariophyceae Haeckel (1878) - pennates
     Subclass Bacillariophycidae D.G.Mann (1990) - raphid diatoms
       Order Naviculales Bessey (1907)
         Suborder Neidiineae D.G.Mann (1990)
           Family Diadesmidaceae D.G.Mann (1990)
             Genus Luticola D.G.Mann (1990)
               Luticola murrayi (W.West & G.S.West) D.G.Mann (1990)