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 Naviculineae (Bessey) Hendey (1937)
           Family Proschkiniaceae D.G.Mann (1990)
             Genus Proschkiniaᵀ Karaeva (1978)
               1 Proschkinia complanata (Grunow) D.G.Mann (1990)
               2 Proschkinia complanatoides (Hust. ex Simonsen) D.G.Mann (1990)
               3 Proschkinia complanatula (Hust. ex Simonsen) D.G.Mann (1990)
               4 Proschkinia hyalosirella (Hust. ex Simonsen) D.G.Mann (1990)
               5 ?Proschkinia longirostris (Hust.) D.G.Mann (1990)
               6 Proschkinia poretzkajae (Koretkevich) D.G.Mann (1990)