Division Bacillariophyta Engl. & Gilg (1919) see Phylum Bacillariophyta Engl. & Gilg (1919)
Count: 3c;45o;91f;291g;308s
   Class Bacillariophyceae Haeckel (1878) - pennates
  Count: 11o;37f;115g;299s
     Subclass Bacillariophycidae D.G.Mann (1990) - raphid diatoms
    Count: [f] 10o;35f;110g;299s
       Order Naviculales Bessey (1907)
      Count: [f] 18f;49g;128s
         Suborder Neidiineae D.G.Mann (1990)
        Count: [f] 9f;20g;57s
           Family Cavinulaceae D.G.Mann (1990)
          Count: 1g;6s
             Genus Cavinulaᵀ D.G.Mann & Stickle (1990)
            Count: [*] 6s [29 Mar 2016]
               Cavinula pseudoscutiformis (Hust.) D.G.Mann & Stickle (1990)
              Count: -